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CERTFR-2026-AVI-0549
Vulnerability from certfr_avis - Published: 2026-05-07 - Updated: 2026-05-07
De multiples vulnérabilités ont été découvertes dans le noyau Linux de Red Hat. Certaines d'entre elles permettent à un attaquant de provoquer une exécution de code arbitraire, une élévation de privilèges et un déni de service à distance.
Solutions
Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).
Impacted products
| Vendor | Product | Description | ||
|---|---|---|---|---|
| Red Hat | N/A | Red Hat Enterprise Linux for x86_64 10 x86_64 | ||
| Red Hat | N/A | Red Hat Enterprise Linux for Power, little endian - Extended Update Support 9.6 ppc64le | ||
| Red Hat | N/A | Red Hat Enterprise Linux for x86_64 9 x86_64 | ||
| Red Hat | N/A | Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle 9.2 ppc64le | ||
| Red Hat | N/A | Red Hat Enterprise Linux for Power, little endian 9 ppc64le | ||
| Red Hat | N/A | Red Hat Enterprise Linux for x86_64 - Extended Update Support Extension 8.8 x86_64 | ||
| Red Hat | N/A | Red Hat Enterprise Linux for Power, little endian - Extended Update Support 9.4 ppc64le | ||
| Red Hat | N/A | Red Hat CodeReady Linux Builder for ARM 64 10 aarch64 | ||
| Red Hat | N/A | Red Hat Enterprise Linux for x86_64 - Extended Life Cycle 9.4 x86_64 | ||
| Red Hat | N/A | Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support 10.0 x86_64 | ||
| Red Hat | N/A | Red Hat Enterprise Linux for Power, little endian 10 ppc64le | ||
| Red Hat | N/A | Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 9.4 ppc64le | ||
| Red Hat | N/A | Red Hat Enterprise Linux for x86_64 - Extended Update Support 9.4 x86_64 | ||
| Red Hat | N/A | Red Hat Enterprise Linux for Power, little endian - Extended Update Support 10.0 ppc64le | ||
| Red Hat | N/A | Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle 9.2 s390x | ||
| Red Hat | N/A | Red Hat Enterprise Linux for x86_64 - 4 years of updates 10.0 x86_64 | ||
| Red Hat | N/A | Red Hat Enterprise Linux for x86_64 - Extended Life Cycle 9.6 x86_64 | ||
| Red Hat | N/A | Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle 9.6 aarch64 | ||
| Red Hat | N/A | Red Hat CodeReady Linux Builder for IBM z Systems 10 s390x | ||
| Red Hat | N/A | Red Hat Enterprise Linux Server - AUS 9.6 x86_64 | ||
| Red Hat | N/A | Red Hat Enterprise Linux for Power, little endian - 4 years of support 10.0 ppc64le | ||
| Red Hat | N/A | Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle 9.2 aarch64 | ||
| Red Hat | N/A | Red Hat Enterprise Linux for x86_64 - Extended Update Support 9.6 x86_64 | ||
| Red Hat | N/A | Red Hat Enterprise Linux Server - AUS 8.6 x86_64 | ||
| Red Hat | N/A | Red Hat Enterprise Linux for IBM z Systems - 4 years of updates 10.0 s390x | ||
| Red Hat | N/A | Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support 9.4 aarch64 | ||
| Red Hat | N/A | Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 9.4 x86_64 | ||
| Red Hat | N/A | Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support 9.6 aarch64 | ||
| Red Hat | N/A | Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 9.2 x86_64 | ||
| Red Hat | N/A | Red Hat Enterprise Linux for ARM 64 - Extended Update Support 10.0 aarch64 | ||
| Red Hat | N/A | Red Hat Enterprise Linux for Power, little endian 8 ppc64le | ||
| Red Hat | N/A | Red Hat Enterprise Linux for IBM z Systems 8 s390x | ||
| Red Hat | N/A | Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 9.6 ppc64le | ||
| Red Hat | N/A | Red Hat Enterprise Linux Server - TUS 8.6 x86_64 | ||
| Red Hat | N/A | Red Hat Enterprise Linux for IBM z Systems - 4 years of updates 9.4 s390x | ||
| Red Hat | N/A | Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support 9.4 x86_64 | ||
| Red Hat | N/A | Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 9.6 s390x | ||
| Red Hat | N/A | Red Hat Enterprise Linux for ARM 64 - Extended Update Support 9.4 aarch64 | ||
| Red Hat | N/A | Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle 9.4 s390x | ||
| Red Hat | N/A | Red Hat Enterprise Linux Server - TUS 8.8 x86_64 | ||
| Red Hat | N/A | Red Hat Enterprise Linux for IBM z Systems - 4 years of updates 9.0 s390x | ||
| Red Hat | N/A | Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support 9.6 x86_64 | ||
| Red Hat | N/A | Red Hat CodeReady Linux Builder for IBM z Systems - Extended Update Support 10.0 s390x | ||
| Red Hat | N/A | Red Hat Enterprise Linux Server - AUS 9.4 x86_64 | ||
| Red Hat | N/A | Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 8.6 x86_64 | ||
| Red Hat | N/A | Red Hat CodeReady Linux Builder for ARM 64 8 aarch64 | ||
| Red Hat | N/A | Red Hat CodeReady Linux Builder for x86_64 8 x86_64 | ||
| Red Hat | N/A | Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support 10.0 ppc64le | ||
| Red Hat | N/A | Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 9.4 s390x | ||
| Red Hat | N/A | Red Hat Enterprise Linux for ARM 64 9 aarch64 | ||
| Red Hat | N/A | Red Hat Enterprise Linux for ARM 64 - Extended Update Support 9.6 aarch64 | ||
| Red Hat | N/A | Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 9.2 ppc64le | ||
| Red Hat | N/A | Red Hat CodeReady Linux Builder for x86_64 10 x86_64 | ||
| Red Hat | N/A | Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 8.6 ppc64le | ||
| Red Hat | N/A | Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 8.8 x86_64 | ||
| Red Hat | N/A | Red Hat CodeReady Linux Builder for Power, little endian 10 ppc64le | ||
| Red Hat | N/A | Red Hat Enterprise Linux Server - AUS 8.4 x86_64 | ||
| Red Hat | N/A | Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle 8.10 ppc64le | ||
| Red Hat | N/A | Red Hat Enterprise Linux for Real Time for NFV 8 x86_64 | ||
| Red Hat | N/A | Red Hat Enterprise Linux for x86_64 - Extended Update Support Extension 8.4 x86_64 | ||
| Red Hat | N/A | Red Hat Enterprise Linux for IBM z Systems - 4 years of updates 9.6 s390x | ||
| Red Hat | N/A | Red Hat Enterprise Linux Server - AUS 9.2 x86_64 | ||
| Red Hat | N/A | Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 9.0 x86_64 | ||
| Red Hat | N/A | Red Hat Enterprise Linux for ARM 64 8 aarch64 | ||
| Red Hat | N/A | Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support 9.6 ppc64le | ||
| Red Hat | N/A | Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 9.0 ppc64le | ||
| Red Hat | N/A | Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support 9.4 ppc64le | ||
| Red Hat | N/A | Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle 9.6 s390x | ||
| Red Hat | N/A | Red Hat Enterprise Linux for ARM 64 - 4 years of updates 9.2 aarch64 | ||
| Red Hat | N/A | Red Hat Enterprise Linux for ARM 64 - 4 years of updates 9.0 aarch64 | ||
| Red Hat | N/A | Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle 8.10 s390x | ||
| Red Hat | N/A | Red Hat CodeReady Linux Builder for Power, little endian 9 ppc64le | ||
| Red Hat | N/A | Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle 9.4 ppc64le | ||
| Red Hat | N/A | Red Hat CodeReady Linux Builder for IBM z Systems - Extended Update Support 9.4 s390x | ||
| Red Hat | N/A | Red Hat Enterprise Linux for ARM 64 - 4 years of updates 9.6 aarch64 | ||
| Red Hat | N/A | Red Hat CodeReady Linux Builder for IBM z Systems - Extended Update Support 9.6 s390x | ||
| Red Hat | N/A | Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 10.0 s390x | ||
| Red Hat | N/A | Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 8.8 ppc64le | ||
| Red Hat | N/A | Red Hat Enterprise Linux for IBM z Systems 9 s390x | ||
| Red Hat | N/A | Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle 8.10 aarch64 | ||
| Red Hat | N/A | Red Hat Enterprise Linux for ARM 64 - 4 years of updates 10.0 aarch64 | ||
| Red Hat | N/A | Red Hat Enterprise Linux for x86_64 8 x86_64 | ||
| Red Hat | N/A | Red Hat CodeReady Linux Builder for x86_64 9 x86_64 | ||
| Red Hat | N/A | Red Hat Enterprise Linux for Real Time 8 x86_64 | ||
| Red Hat | N/A | Red Hat CodeReady Linux Builder for Power, little endian 8 ppc64le | ||
| Red Hat | N/A | Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle 9.6 ppc64le | ||
| Red Hat | N/A | Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 9.6 x86_64 | ||
| Red Hat | N/A | Red Hat Enterprise Linux for x86_64 - Extended Life Cycle 9.2 x86_64 | ||
| Red Hat | N/A | Red Hat Enterprise Linux for ARM 64 10 aarch64 | ||
| Red Hat | N/A | Red Hat Enterprise Linux for IBM z Systems - 4 years of updates 9.2 s390x | ||
| Red Hat | N/A | Red Hat Enterprise Linux for IBM z Systems 10 s390x | ||
| Red Hat | N/A | Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support 10.0 aarch64 | ||
| Red Hat | N/A | Red Hat Enterprise Linux for x86_64 - Extended Update Support Extension 8.6 x86_64 | ||
| Red Hat | N/A | Red Hat CodeReady Linux Builder for ARM 64 9 aarch64 | ||
| Red Hat | N/A | Red Hat CodeReady Linux Builder for IBM z Systems 9 s390x | ||
| Red Hat | N/A | Red Hat Enterprise Linux for ARM 64 - 4 years of updates 9.4 aarch64 | ||
| Red Hat | N/A | Red Hat Enterprise Linux for x86_64 - Extended Update Support 10.0 x86_64 | ||
| Red Hat | N/A | Red Hat Enterprise Linux for x86_64 - Extended Life Cycle 8.10 x86_64 | ||
| Red Hat | N/A | Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle 9.4 aarch64 |
References
{
"$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
"affected_systems": [
{
"description": "Red Hat Enterprise Linux for x86_64 10 x86_64",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for Power, little endian - Extended Update Support 9.6 ppc64le",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for x86_64 9 x86_64",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle 9.2 ppc64le",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for Power, little endian 9 ppc64le",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for x86_64 - Extended Update Support Extension 8.8 x86_64",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for Power, little endian - Extended Update Support 9.4 ppc64le",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat CodeReady Linux Builder for ARM 64 10 aarch64",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for x86_64 - Extended Life Cycle 9.4 x86_64",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support 10.0 x86_64",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for Power, little endian 10 ppc64le",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 9.4 ppc64le",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for x86_64 - Extended Update Support 9.4 x86_64",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for Power, little endian - Extended Update Support 10.0 ppc64le",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle 9.2 s390x",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for x86_64 - 4 years of updates 10.0 x86_64",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for x86_64 - Extended Life Cycle 9.6 x86_64",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle 9.6 aarch64",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat CodeReady Linux Builder for IBM z Systems 10 s390x",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux Server - AUS 9.6 x86_64",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for Power, little endian - 4 years of support 10.0 ppc64le",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle 9.2 aarch64",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for x86_64 - Extended Update Support 9.6 x86_64",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux Server - AUS 8.6 x86_64",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for IBM z Systems - 4 years of updates 10.0 s390x",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support 9.4 aarch64",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 9.4 x86_64",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support 9.6 aarch64",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 9.2 x86_64",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for ARM 64 - Extended Update Support 10.0 aarch64",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for Power, little endian 8 ppc64le",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for IBM z Systems 8 s390x",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 9.6 ppc64le",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux Server - TUS 8.6 x86_64",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for IBM z Systems - 4 years of updates 9.4 s390x",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support 9.4 x86_64",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 9.6 s390x",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for ARM 64 - Extended Update Support 9.4 aarch64",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle 9.4 s390x",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux Server - TUS 8.8 x86_64",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for IBM z Systems - 4 years of updates 9.0 s390x",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support 9.6 x86_64",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat CodeReady Linux Builder for IBM z Systems - Extended Update Support 10.0 s390x",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux Server - AUS 9.4 x86_64",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 8.6 x86_64",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat CodeReady Linux Builder for ARM 64 8 aarch64",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat CodeReady Linux Builder for x86_64 8 x86_64",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support 10.0 ppc64le",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 9.4 s390x",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for ARM 64 9 aarch64",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for ARM 64 - Extended Update Support 9.6 aarch64",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 9.2 ppc64le",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat CodeReady Linux Builder for x86_64 10 x86_64",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 8.6 ppc64le",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 8.8 x86_64",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat CodeReady Linux Builder for Power, little endian 10 ppc64le",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux Server - AUS 8.4 x86_64",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle 8.10 ppc64le",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for Real Time for NFV 8 x86_64",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for x86_64 - Extended Update Support Extension 8.4 x86_64",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for IBM z Systems - 4 years of updates 9.6 s390x",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux Server - AUS 9.2 x86_64",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 9.0 x86_64",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for ARM 64 8 aarch64",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support 9.6 ppc64le",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 9.0 ppc64le",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support 9.4 ppc64le",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle 9.6 s390x",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for ARM 64 - 4 years of updates 9.2 aarch64",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for ARM 64 - 4 years of updates 9.0 aarch64",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle 8.10 s390x",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat CodeReady Linux Builder for Power, little endian 9 ppc64le",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle 9.4 ppc64le",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat CodeReady Linux Builder for IBM z Systems - Extended Update Support 9.4 s390x",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for ARM 64 - 4 years of updates 9.6 aarch64",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat CodeReady Linux Builder for IBM z Systems - Extended Update Support 9.6 s390x",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 10.0 s390x",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 8.8 ppc64le",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for IBM z Systems 9 s390x",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle 8.10 aarch64",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for ARM 64 - 4 years of updates 10.0 aarch64",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for x86_64 8 x86_64",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat CodeReady Linux Builder for x86_64 9 x86_64",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for Real Time 8 x86_64",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat CodeReady Linux Builder for Power, little endian 8 ppc64le",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle 9.6 ppc64le",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 9.6 x86_64",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for x86_64 - Extended Life Cycle 9.2 x86_64",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for ARM 64 10 aarch64",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for IBM z Systems - 4 years of updates 9.2 s390x",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for IBM z Systems 10 s390x",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support 10.0 aarch64",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for x86_64 - Extended Update Support Extension 8.6 x86_64",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat CodeReady Linux Builder for ARM 64 9 aarch64",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat CodeReady Linux Builder for IBM z Systems 9 s390x",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for ARM 64 - 4 years of updates 9.4 aarch64",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for x86_64 - Extended Update Support 10.0 x86_64",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for x86_64 - Extended Life Cycle 8.10 x86_64",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle 9.4 aarch64",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
}
],
"affected_systems_content": "",
"content": "## Solutions\n\nSe r\u00e9f\u00e9rer au bulletin de s\u00e9curit\u00e9 de l\u0027\u00e9diteur pour l\u0027obtention des correctifs (cf. section Documentation).",
"cves": [
{
"name": "CVE-2026-31402",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-31402"
},
{
"name": "CVE-2025-68741",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-68741"
},
{
"name": "CVE-2026-23136",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-23136"
},
{
"name": "CVE-2026-31431",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-31431"
},
{
"name": "CVE-2026-23401",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-23401"
},
{
"name": "CVE-2025-40252",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40252"
},
{
"name": "CVE-2026-23270",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-23270"
},
{
"name": "CVE-2025-37861",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-37861"
},
{
"name": "CVE-2026-23191",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-23191"
},
{
"name": "CVE-2025-68724",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-68724"
},
{
"name": "CVE-2024-41073",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-41073"
},
{
"name": "CVE-2026-23243",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-23243"
},
{
"name": "CVE-2026-23193",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-23193"
},
{
"name": "CVE-2026-31419",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-31419"
},
{
"name": "CVE-2026-31532",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-31532"
},
{
"name": "CVE-2024-53216",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-53216"
},
{
"name": "CVE-2026-23097",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-23097"
},
{
"name": "CVE-2025-71238",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-71238"
}
],
"initial_release_date": "2026-05-07T00:00:00",
"last_revision_date": "2026-05-07T00:00:00",
"links": [],
"reference": "CERTFR-2026-AVI-0549",
"revisions": [
{
"description": "Version initiale",
"revision_date": "2026-05-07T00:00:00.000000"
}
],
"risks": [
{
"description": "D\u00e9ni de service \u00e0 distance"
},
{
"description": "Atteinte \u00e0 l\u0027int\u00e9grit\u00e9 des donn\u00e9es"
},
{
"description": "Ex\u00e9cution de code arbitraire"
},
{
"description": "Contournement de la politique de s\u00e9curit\u00e9"
},
{
"description": "Atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es"
},
{
"description": "\u00c9l\u00e9vation de privil\u00e8ges"
}
],
"summary": "De multiples vuln\u00e9rabilit\u00e9s ont \u00e9t\u00e9 d\u00e9couvertes dans le noyau Linux de Red Hat. Certaines d\u0027entre elles permettent \u00e0 un attaquant de provoquer une ex\u00e9cution de code arbitraire, une \u00e9l\u00e9vation de privil\u00e8ges et un d\u00e9ni de service \u00e0 distance.",
"title": "Multiples vuln\u00e9rabilit\u00e9s dans le noyau Linux de Red Hat",
"vendor_advisories": [
{
"published_at": "2026-05-06",
"title": "Bulletin de s\u00e9curit\u00e9 Red Hat RHSA-2026:14301",
"url": "https://access.redhat.com/errata/RHSA-2026:14301"
},
{
"published_at": "2026-05-06",
"title": "Bulletin de s\u00e9curit\u00e9 Red Hat RHSA-2026:14339",
"url": "https://access.redhat.com/errata/RHSA-2026:14339"
},
{
"published_at": "2026-05-06",
"title": "Bulletin de s\u00e9curit\u00e9 Red Hat RHSA-2026:13932",
"url": "https://access.redhat.com/errata/RHSA-2026:13932"
},
{
"published_at": "2026-05-05",
"title": "Bulletin de s\u00e9curit\u00e9 Red Hat RHSA-2026:13664",
"url": "https://access.redhat.com/errata/RHSA-2026:13664"
},
{
"published_at": "2026-05-05",
"title": "Bulletin de s\u00e9curit\u00e9 Red Hat RHSA-2026:13681",
"url": "https://access.redhat.com/errata/RHSA-2026:13681"
},
{
"published_at": "2026-05-04",
"title": "Bulletin de s\u00e9curit\u00e9 Red Hat RHSA-2026:13565",
"url": "https://access.redhat.com/errata/RHSA-2026:13565"
},
{
"published_at": "2026-05-05",
"title": "Bulletin de s\u00e9curit\u00e9 Red Hat RHSA-2026:13577",
"url": "https://access.redhat.com/errata/RHSA-2026:13577"
},
{
"published_at": "2026-05-05",
"title": "Bulletin de s\u00e9curit\u00e9 Red Hat RHSA-2026:13887",
"url": "https://access.redhat.com/errata/RHSA-2026:13887"
},
{
"published_at": "2026-05-06",
"title": "Bulletin de s\u00e9curit\u00e9 Red Hat RHSA-2026:14137",
"url": "https://access.redhat.com/errata/RHSA-2026:14137"
},
{
"published_at": "2026-05-05",
"title": "Bulletin de s\u00e9curit\u00e9 Red Hat RHSA-2026:13578",
"url": "https://access.redhat.com/errata/RHSA-2026:13578"
},
{
"published_at": "2026-05-06",
"title": "Bulletin de s\u00e9curit\u00e9 Red Hat RHSA-2026:14165",
"url": "https://access.redhat.com/errata/RHSA-2026:14165"
},
{
"published_at": "2026-05-06",
"title": "Bulletin de s\u00e9curit\u00e9 Red Hat RHSA-2026:14230",
"url": "https://access.redhat.com/errata/RHSA-2026:14230"
},
{
"published_at": "2026-05-05",
"title": "Bulletin de s\u00e9curit\u00e9 Red Hat RHSA-2026:13734",
"url": "https://access.redhat.com/errata/RHSA-2026:13734"
},
{
"published_at": "2026-05-04",
"title": "Bulletin de s\u00e9curit\u00e9 Red Hat RHSA-2026:13566",
"url": "https://access.redhat.com/errata/RHSA-2026:13566"
},
{
"published_at": "2026-05-06",
"title": "Bulletin de s\u00e9curit\u00e9 Red Hat RHSA-2026:13936",
"url": "https://access.redhat.com/errata/RHSA-2026:13936"
}
]
}
CVE-2026-23193 (GCVE-0-2026-23193)
Vulnerability from cvelistv5 – Published: 2026-02-14 16:27 – Updated: 2026-06-16 20:19
VLAI
EPSS
Title
scsi: target: iscsi: Fix use-after-free in iscsit_dec_session_usage_count()
Summary
In the Linux kernel, the following vulnerability has been resolved:
scsi: target: iscsi: Fix use-after-free in iscsit_dec_session_usage_count()
In iscsit_dec_session_usage_count(), the function calls complete() while
holding the sess->session_usage_lock. Similar to the connection usage count
logic, the waiter signaled by complete() (e.g., in the session release
path) may wake up and free the iscsit_session structure immediately.
This creates a race condition where the current thread may attempt to
execute spin_unlock_bh() on a session structure that has already been
deallocated, resulting in a KASAN slab-use-after-free.
To resolve this, release the session_usage_lock before calling complete()
to ensure all dereferences of the sess pointer are finished before the
waiter is allowed to proceed with deallocation.
Severity
8.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
Assigner
References
7 references
| URL | Tags |
|---|---|
| https://git.kernel.org/stable/c/2b64015550a13bcc7… | |
| https://git.kernel.org/stable/c/fd8b0900173307039… | |
| https://git.kernel.org/stable/c/d8dbdc146e9e9a976… | |
| https://git.kernel.org/stable/c/11ebafffce31efc6a… | |
| https://git.kernel.org/stable/c/41b86a9ec037bd343… | |
| https://git.kernel.org/stable/c/4530f4e4d0e6a2071… | |
| https://git.kernel.org/stable/c/84dc6037390b8607c… |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux |
Affected:
e48354ce078c079996f89d715dfa44814b4eba01 , < 2b64015550a13bcc72910be0565548d9a754d46d
(git)
Affected: e48354ce078c079996f89d715dfa44814b4eba01 , < fd8b0900173307039d3a84644c2fee041a7ed4fb (git) Affected: e48354ce078c079996f89d715dfa44814b4eba01 , < d8dbdc146e9e9a976931b78715be2e91299049f9 (git) Affected: e48354ce078c079996f89d715dfa44814b4eba01 , < 11ebafffce31efc6abeb28c509017976fc49f1ca (git) Affected: e48354ce078c079996f89d715dfa44814b4eba01 , < 41b86a9ec037bd3435d68dd3692f0891a207e7e7 (git) Affected: e48354ce078c079996f89d715dfa44814b4eba01 , < 4530f4e4d0e6a207110b0ffed0c911bca43531a4 (git) Affected: e48354ce078c079996f89d715dfa44814b4eba01 , < 84dc6037390b8607c5551047d3970336cb51ba9a (git) |
|
| Linux | Linux |
Affected:
3.1
Unaffected: 0 , < 3.1 (semver) Unaffected: 5.10.250 , ≤ 5.10.* (semver) Unaffected: 5.15.200 , ≤ 5.15.* (semver) Unaffected: 6.1.163 , ≤ 6.1.* (semver) Unaffected: 6.6.124 , ≤ 6.6.* (semver) Unaffected: 6.12.70 , ≤ 6.12.* (semver) Unaffected: 6.18.10 , ≤ 6.18.* (semver) Unaffected: 6.19 , ≤ * (original_commit_for_fix) |
{
"containers": {
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"metrics": [
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"other": {
"content": {
"id": "CVE-2026-23193",
"options": [
{
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},
{
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},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-06-16T20:19:30.330319Z",
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},
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}
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"providerMetadata": {
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
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"product": "Linux",
"programFiles": [
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],
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],
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},
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}
],
"cpeApplicability": [
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CVE-2026-23243 (GCVE-0-2026-23243)
Vulnerability from cvelistv5 – Published: 2026-03-18 10:05 – Updated: 2026-06-17 17:47
VLAI
EPSS
Title
RDMA/umad: Reject negative data_len in ib_umad_write
Summary
In the Linux kernel, the following vulnerability has been resolved:
RDMA/umad: Reject negative data_len in ib_umad_write
ib_umad_write computes data_len from user-controlled count and the
MAD header sizes. With a mismatched user MAD header size and RMPP
header length, data_len can become negative and reach ib_create_send_mad().
This can make the padding calculation exceed the segment size and trigger
an out-of-bounds memset in alloc_send_rmpp_list().
Add an explicit check to reject negative data_len before creating the
send buffer.
KASAN splat:
[ 211.363464] BUG: KASAN: slab-out-of-bounds in ib_create_send_mad+0xa01/0x11b0
[ 211.364077] Write of size 220 at addr ffff88800c3fa1f8 by task spray_thread/102
[ 211.365867] ib_create_send_mad+0xa01/0x11b0
[ 211.365887] ib_umad_write+0x853/0x1c80
Severity
7.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
Assigner
References
8 references
| URL | Tags |
|---|---|
| https://git.kernel.org/stable/c/1371ef6b1ecf3676b… | |
| https://git.kernel.org/stable/c/362e45fd9069ffa15… | |
| https://git.kernel.org/stable/c/6eb2919474ca105c5… | |
| https://git.kernel.org/stable/c/a6a3e4af10993cb9e… | |
| https://git.kernel.org/stable/c/9c80d688f402539df… | |
| https://git.kernel.org/stable/c/205955f29c26330b1… | |
| https://git.kernel.org/stable/c/52ab82cc5cf8ada5c… | |
| https://git.kernel.org/stable/c/5551b02fdbfd85a32… |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux |
Affected:
2be8e3ee8efd6f99ce454115c29d09750915021a , < 1371ef6b1ecf3676b8942f5dfb3634fb0648128e
(git)
Affected: 2be8e3ee8efd6f99ce454115c29d09750915021a , < 362e45fd9069ffa1523f9f1633b606ebf72060d7 (git) Affected: 2be8e3ee8efd6f99ce454115c29d09750915021a , < 6eb2919474ca105c5b13d19574e25f0ddcf19ca2 (git) Affected: 2be8e3ee8efd6f99ce454115c29d09750915021a , < a6a3e4af10993cb9e4b8f0548680aba0ab5f3b0d (git) Affected: 2be8e3ee8efd6f99ce454115c29d09750915021a , < 9c80d688f402539dfc8f336de1380d6b4ee14316 (git) Affected: 2be8e3ee8efd6f99ce454115c29d09750915021a , < 205955f29c26330b1dc7fdeadd5bb97c38e26f56 (git) Affected: 2be8e3ee8efd6f99ce454115c29d09750915021a , < 52ab82cc5cf8ada5c3fb6ffe8f32fdb2fc27a34b (git) Affected: 2be8e3ee8efd6f99ce454115c29d09750915021a , < 5551b02fdbfd85a325bb857f3a8f9c9f33397ed2 (git) |
|
| Linux | Linux |
Affected:
2.6.24
Unaffected: 0 , < 2.6.24 (semver) Unaffected: 5.10.252 , ≤ 5.10.* (semver) Unaffected: 5.15.202 , ≤ 5.15.* (semver) Unaffected: 6.1.165 , ≤ 6.1.* (semver) Unaffected: 6.6.128 , ≤ 6.6.* (semver) Unaffected: 6.12.75 , ≤ 6.12.* (semver) Unaffected: 6.18.14 , ≤ 6.18.* (semver) Unaffected: 6.19.4 , ≤ 6.19.* (semver) Unaffected: 7.0 , ≤ * (original_commit_for_fix) |
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CVE-2026-23270 (GCVE-0-2026-23270)
Vulnerability from cvelistv5 – Published: 2026-03-18 17:54 – Updated: 2026-05-23 16:04
VLAI
EPSS
Title
net/sched: Only allow act_ct to bind to clsact/ingress qdiscs and shared blocks
Summary
In the Linux kernel, the following vulnerability has been resolved:
net/sched: Only allow act_ct to bind to clsact/ingress qdiscs and shared blocks
As Paolo said earlier [1]:
"Since the blamed commit below, classify can return TC_ACT_CONSUMED while
the current skb being held by the defragmentation engine. As reported by
GangMin Kim, if such packet is that may cause a UaF when the defrag engine
later on tries to tuch again such packet."
act_ct was never meant to be used in the egress path, however some users
are attaching it to egress today [2]. Attempting to reach a middle
ground, we noticed that, while most qdiscs are not handling
TC_ACT_CONSUMED, clsact/ingress qdiscs are. With that in mind, we
address the issue by only allowing act_ct to bind to clsact/ingress
qdiscs and shared blocks. That way it's still possible to attach act_ct to
egress (albeit only with clsact).
[1] https://lore.kernel.org/netdev/674b8cbfc385c6f37fb29a1de08d8fe5c2b0fbee.1771321118.git.pabeni@redhat.com/
[2] https://lore.kernel.org/netdev/cc6bfb4a-4a2b-42d8-b9ce-7ef6644fb22b@ovn.org/
Severity
7.8 (High)
Assigner
References
7 references
| URL | Tags |
|---|---|
| https://git.kernel.org/stable/c/bc4e5bb529823a09f… | |
| https://git.kernel.org/stable/c/fb3c380a54e33d1fd… | |
| https://git.kernel.org/stable/c/5a110ddcc99bda77a… | |
| https://git.kernel.org/stable/c/524ce8b4ea8f64900… | |
| https://git.kernel.org/stable/c/380ad8b7c65ea7aa1… | |
| https://git.kernel.org/stable/c/9deda0fcda5c1f388… | |
| https://git.kernel.org/stable/c/11cb63b0d1a0685e0… |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux |
Affected:
172ba7d46c202e679f3ccb10264c67416aaeb1c4 , < bc4e5bb529823a09f02dbe96169de679a9db26e0
(git)
Affected: 0b5b831122fc3789fff75be433ba3e4dd7b779d4 , < fb3c380a54e33d1fd272cc342faa906d787d7ef1 (git) Affected: 73f7da5fd124f2cda9161e2e46114915e6e82e97 , < 5a110ddcc99bda77a28598b3555fe009eaab3828 (git) Affected: 3f14b377d01d8357eba032b4cabc8c1149b458b6 , < 524ce8b4ea8f64900b6c52b6a28df74f6bc0801e (git) Affected: 3f14b377d01d8357eba032b4cabc8c1149b458b6 , < 380ad8b7c65ea7aa10ef2258297079ed5ac1f5b6 (git) Affected: 3f14b377d01d8357eba032b4cabc8c1149b458b6 , < 9deda0fcda5c1f388c5e279541850b71a2ccfcf4 (git) Affected: 3f14b377d01d8357eba032b4cabc8c1149b458b6 , < 11cb63b0d1a0685e0831ae3c77223e002ef18189 (git) Affected: f5346df0591d10bc948761ca854b1fae6d2ef441 (git) Affected: 5.15.148 , < 5.15.203 (semver) Affected: 6.1.75 , < 6.1.167 (semver) Affected: 6.6.14 , < 6.6.130 (semver) Affected: 6.7.2 , < 6.8 (semver) |
|
| Linux | Linux |
Affected:
6.8
Unaffected: 0 , < 6.8 (semver) Unaffected: 5.15.203 , ≤ 5.15.* (semver) Unaffected: 6.1.167 , ≤ 6.1.* (semver) Unaffected: 6.6.130 , ≤ 6.6.* (semver) Unaffected: 6.12.77 , ≤ 6.12.* (semver) Unaffected: 6.18.18 , ≤ 6.18.* (semver) Unaffected: 6.19.8 , ≤ 6.19.* (semver) Unaffected: 7.0 , ≤ * (original_commit_for_fix) |
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"version": "3f14b377d01d8357eba032b4cabc8c1149b458b6",
"versionType": "git"
},
{
"lessThan": "11cb63b0d1a0685e0831ae3c77223e002ef18189",
"status": "affected",
"version": "3f14b377d01d8357eba032b4cabc8c1149b458b6",
"versionType": "git"
},
{
"status": "affected",
"version": "f5346df0591d10bc948761ca854b1fae6d2ef441",
"versionType": "git"
},
{
"lessThan": "5.15.203",
"status": "affected",
"version": "5.15.148",
"versionType": "semver"
},
{
"lessThan": "6.1.167",
"status": "affected",
"version": "6.1.75",
"versionType": "semver"
},
{
"lessThan": "6.6.130",
"status": "affected",
"version": "6.6.14",
"versionType": "semver"
},
{
"lessThan": "6.8",
"status": "affected",
"version": "6.7.2",
"versionType": "semver"
}
]
},
{
"defaultStatus": "affected",
"product": "Linux",
"programFiles": [
"include/net/act_api.h",
"net/sched/act_ct.c",
"net/sched/cls_api.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"status": "affected",
"version": "6.8"
},
{
"lessThan": "6.8",
"status": "unaffected",
"version": "0",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.15.*",
"status": "unaffected",
"version": "5.15.203",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"version": "6.1.167",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.6.*",
"status": "unaffected",
"version": "6.6.130",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.12.*",
"status": "unaffected",
"version": "6.12.77",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.18.*",
"status": "unaffected",
"version": "6.18.18",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.19.*",
"status": "unaffected",
"version": "6.19.8",
"versionType": "semver"
},
{
"lessThanOrEqual": "*",
"status": "unaffected",
"version": "7.0",
"versionType": "original_commit_for_fix"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "5.15.203",
"versionStartIncluding": "5.15.148",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.1.167",
"versionStartIncluding": "6.1.75",
"vulnerable": true
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{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"vulnerable": true
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{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"vulnerable": true
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],
"negate": false,
"operator": "OR"
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"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet/sched: Only allow act_ct to bind to clsact/ingress qdiscs and shared blocks\n\nAs Paolo said earlier [1]:\n\n\"Since the blamed commit below, classify can return TC_ACT_CONSUMED while\nthe current skb being held by the defragmentation engine. As reported by\nGangMin Kim, if such packet is that may cause a UaF when the defrag engine\nlater on tries to tuch again such packet.\"\n\nact_ct was never meant to be used in the egress path, however some users\nare attaching it to egress today [2]. Attempting to reach a middle\nground, we noticed that, while most qdiscs are not handling\nTC_ACT_CONSUMED, clsact/ingress qdiscs are. With that in mind, we\naddress the issue by only allowing act_ct to bind to clsact/ingress\nqdiscs and shared blocks. That way it\u0027s still possible to attach act_ct to\negress (albeit only with clsact).\n\n[1] https://lore.kernel.org/netdev/674b8cbfc385c6f37fb29a1de08d8fe5c2b0fbee.1771321118.git.pabeni@redhat.com/\n[2] https://lore.kernel.org/netdev/cc6bfb4a-4a2b-42d8-b9ce-7ef6644fb22b@ovn.org/"
}
],
"metrics": [
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"cvssV3_1": {
"baseScore": 7.8,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-05-23T16:04:25.027Z",
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux"
},
"references": [
{
"url": "https://git.kernel.org/stable/c/bc4e5bb529823a09f02dbe96169de679a9db26e0"
},
{
"url": "https://git.kernel.org/stable/c/fb3c380a54e33d1fd272cc342faa906d787d7ef1"
},
{
"url": "https://git.kernel.org/stable/c/5a110ddcc99bda77a28598b3555fe009eaab3828"
},
{
"url": "https://git.kernel.org/stable/c/524ce8b4ea8f64900b6c52b6a28df74f6bc0801e"
},
{
"url": "https://git.kernel.org/stable/c/380ad8b7c65ea7aa10ef2258297079ed5ac1f5b6"
},
{
"url": "https://git.kernel.org/stable/c/9deda0fcda5c1f388c5e279541850b71a2ccfcf4"
},
{
"url": "https://git.kernel.org/stable/c/11cb63b0d1a0685e0831ae3c77223e002ef18189"
}
],
"title": "net/sched: Only allow act_ct to bind to clsact/ingress qdiscs and shared blocks",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"assignerShortName": "Linux",
"cveId": "CVE-2026-23270",
"datePublished": "2026-03-18T17:54:43.803Z",
"dateReserved": "2026-01-13T15:37:45.991Z",
"dateUpdated": "2026-05-23T16:04:25.027Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-23401 (GCVE-0-2026-23401)
Vulnerability from cvelistv5 – Published: 2026-04-01 08:36 – Updated: 2026-06-30 12:06
VLAI
EPSS
Title
KVM: x86/mmu: Drop/zap existing present SPTE even when creating an MMIO SPTE
Summary
In the Linux kernel, the following vulnerability has been resolved:
KVM: x86/mmu: Drop/zap existing present SPTE even when creating an MMIO SPTE
When installing an emulated MMIO SPTE, do so *after* dropping/zapping the
existing SPTE (if it's shadow-present). While commit a54aa15c6bda3 was
right about it being impossible to convert a shadow-present SPTE to an
MMIO SPTE due to a _guest_ write, it failed to account for writes to guest
memory that are outside the scope of KVM.
E.g. if host userspace modifies a shadowed gPTE to switch from a memslot
to emulted MMIO and then the guest hits a relevant page fault, KVM will
install the MMIO SPTE without first zapping the shadow-present SPTE.
------------[ cut here ]------------
is_shadow_present_pte(*sptep)
WARNING: arch/x86/kvm/mmu/mmu.c:484 at mark_mmio_spte+0xb2/0xc0 [kvm], CPU#0: vmx_ept_stale_r/4292
Modules linked in: kvm_intel kvm irqbypass
CPU: 0 UID: 1000 PID: 4292 Comm: vmx_ept_stale_r Not tainted 7.0.0-rc2-eafebd2d2ab0-sink-vm #319 PREEMPT
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 0.0.0 02/06/2015
RIP: 0010:mark_mmio_spte+0xb2/0xc0 [kvm]
Call Trace:
<TASK>
mmu_set_spte+0x237/0x440 [kvm]
ept_page_fault+0x535/0x7f0 [kvm]
kvm_mmu_do_page_fault+0xee/0x1f0 [kvm]
kvm_mmu_page_fault+0x8d/0x620 [kvm]
vmx_handle_exit+0x18c/0x5a0 [kvm_intel]
kvm_arch_vcpu_ioctl_run+0xc55/0x1c20 [kvm]
kvm_vcpu_ioctl+0x2d5/0x980 [kvm]
__x64_sys_ioctl+0x8a/0xd0
do_syscall_64+0xb5/0x730
entry_SYSCALL_64_after_hwframe+0x4b/0x53
RIP: 0033:0x47fa3f
</TASK>
---[ end trace 0000000000000000 ]---
Severity
8.1 (High)
CWE
- CWE-416 - Use After Free
Assigner
References
23 references
| URL | Tags |
|---|---|
| https://git.kernel.org/stable/c/20656cd1f243d3a15… | |
| https://git.kernel.org/stable/c/ed5909992f344a7d3… | |
| https://git.kernel.org/stable/c/fd28c5618699180cd… | |
| https://git.kernel.org/stable/c/459158151a158a670… | |
| https://git.kernel.org/stable/c/695320de6eadb75aa… | |
| https://git.kernel.org/stable/c/bce7fe59d43531623… | |
| https://git.kernel.org/stable/c/aad885e774966e97b… | |
| https://access.redhat.com/security/cve/CVE-2026-23401 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2453803 | issue-trackingx_refsource_REDHAT |
| https://security.access.redhat.com/data/csaf/v2/v… | x_sadp-csaf-vex |
| https://access.redhat.com/errata/RHSA-2026:15883 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:19569 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:13936 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:20593 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:13932 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:14339 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:19568 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:13577 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:14230 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:19521 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:13578 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:14137 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:19875 | vendor-advisoryx_refsource_REDHAT |
Impacted products
47 products
| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux |
Affected:
a54aa15c6bda3ca7e2f9e040ba968a1da303e24f , < 20656cd1f243d3a154aac5dd1b823110b6906fe1
(git)
Affected: a54aa15c6bda3ca7e2f9e040ba968a1da303e24f , < ed5909992f344a7d3f4024261e9f751d9618a27d (git) Affected: a54aa15c6bda3ca7e2f9e040ba968a1da303e24f , < fd28c5618699180cd69619801e9ae6a5266c0a22 (git) Affected: a54aa15c6bda3ca7e2f9e040ba968a1da303e24f , < 459158151a158a6703b49f3c9de0e536d8bd553f (git) Affected: a54aa15c6bda3ca7e2f9e040ba968a1da303e24f , < 695320de6eadb75aaed8be1787c4ce4c189e4c7b (git) Affected: a54aa15c6bda3ca7e2f9e040ba968a1da303e24f , < bce7fe59d43531623f3e43779127bfb33804925d (git) Affected: a54aa15c6bda3ca7e2f9e040ba968a1da303e24f , < aad885e774966e97b675dfe928da164214a71605 (git) |
|
| Linux | Linux |
Affected:
5.13
Unaffected: 0 , < 5.13 (semver) Unaffected: 5.15.203 , ≤ 5.15.* (semver) Unaffected: 6.1.168 , ≤ 6.1.* (semver) Unaffected: 6.6.131 , ≤ 6.6.* (semver) Unaffected: 6.12.80 , ≤ 6.12.* (semver) Unaffected: 6.18.21 , ≤ 6.18.* (semver) Unaffected: 6.19.11 , ≤ 6.19.* (semver) Unaffected: 7.0 , ≤ * (original_commit_for_fix) |
|
| Red Hat | Red Hat Enterprise Linux AppStream EUS (v. 10.0) |
cpe:/o:redhat:enterprise_linux_eus:10.0 |
|
| Red Hat | Red Hat Enterprise Linux AppStream (v. 10) |
cpe:/o:redhat:enterprise_linux:10.2 |
|
| Red Hat | Red Hat Enterprise Linux AppStream E4S (v.9.0) |
cpe:/a:redhat:rhel_e4s:9.0::appstream |
|
| Red Hat | Red Hat Enterprise Linux AppStream E4S (v.9.2) |
cpe:/a:redhat:rhel_e4s:9.2::appstream |
|
| Red Hat | Red Hat Enterprise Linux AppStream EUS (v.9.4) |
cpe:/a:redhat:rhel_eus:9.4::appstream |
|
| Red Hat | Red Hat Enterprise Linux AppStream EUS (v.9.6) |
cpe:/a:redhat:rhel_eus:9.6::appstream |
|
| Red Hat | Red Hat Enterprise Linux AppStream (v. 9) |
cpe:/a:redhat:enterprise_linux:9::appstream |
|
| Red Hat | Red Hat Enterprise Linux BaseOS EUS (v. 10.0) |
cpe:/o:redhat:enterprise_linux_eus:10.0 |
|
| Red Hat | Red Hat Enterprise Linux BaseOS (v. 10) |
cpe:/o:redhat:enterprise_linux:10.2 |
|
| Red Hat | Red Hat Enterprise Linux BaseOS (v. 8) |
cpe:/o:redhat:enterprise_linux:8::baseos |
|
| Red Hat | Red Hat Enterprise Linux BaseOS AUS (v.8.6) |
cpe:/o:redhat:rhel_aus:8.6::baseos |
|
| Red Hat | Red Hat Enterprise Linux BaseOS E4S (v.8.6) |
cpe:/o:redhat:rhel_e4s:8.6::baseos |
|
| Red Hat | Red Hat Enterprise Linux BaseOS TUS (v.8.6) |
cpe:/o:redhat:rhel_tus:8.6::baseos |
|
| Red Hat | Red Hat Enterprise Linux BaseOS E4S (v.8.8) |
cpe:/o:redhat:rhel_e4s:8.8::baseos |
|
| Red Hat | Red Hat Enterprise Linux BaseOS TUS (v.8.8) |
cpe:/o:redhat:rhel_tus:8.8::baseos |
|
| Red Hat | Red Hat Enterprise Linux BaseOS E4S (v.9.0) |
cpe:/o:redhat:rhel_e4s:9.0::baseos |
|
| Red Hat | Red Hat Enterprise Linux BaseOS E4S (v.9.2) |
cpe:/o:redhat:rhel_e4s:9.2::baseos |
|
| Red Hat | Red Hat Enterprise Linux BaseOS EUS (v.9.4) |
cpe:/o:redhat:rhel_eus:9.4::baseos |
|
| Red Hat | Red Hat Enterprise Linux BaseOS EUS (v.9.6) |
cpe:/o:redhat:rhel_eus:9.6::baseos |
|
| Red Hat | Red Hat Enterprise Linux BaseOS (v. 9) |
cpe:/o:redhat:enterprise_linux:9::baseos |
|
| Red Hat | Red Hat Enterprise Linux CodeReady Linux Builder EUS (v. 10.0) |
cpe:/o:redhat:enterprise_linux_eus:10.0 |
|
| Red Hat | Red Hat Enterprise Linux CodeReady Linux Builder (v. 10) |
cpe:/o:redhat:enterprise_linux:10.2 |
|
| Red Hat | Red Hat Enterprise Linux CRB (v. 8) |
cpe:/a:redhat:enterprise_linux:8::crb |
|
| Red Hat | Red Hat CodeReady Linux Builder EUS (v.9.4) |
cpe:/a:redhat:rhel_eus:9.4::crb |
|
| Red Hat | Red Hat CodeReady Linux Builder EUS (v.9.6) |
cpe:/a:redhat:rhel_eus:9.6::crb |
|
| Red Hat | Red Hat Enterprise Linux CodeReady Linux Builder (v. 9) |
cpe:/a:redhat:enterprise_linux:9::crb |
|
| Red Hat | Red Hat Enterprise Linux Real Time for NFV EUS (v. 10.0) |
cpe:/o:redhat:enterprise_linux_eus:10.0 |
|
| Red Hat | Red Hat Enterprise Linux Real Time for NFV (v. 10) |
cpe:/o:redhat:enterprise_linux:10.2 |
|
| Red Hat | Red Hat Enterprise Linux NFV (v. 8) |
cpe:/a:redhat:enterprise_linux:8::nfv |
|
| Red Hat | Red Hat Enterprise Linux NFV E4S (v.9.0) |
cpe:/a:redhat:rhel_e4s:9.0::nfv |
|
| Red Hat | Red Hat Enterprise Linux Real Time for NFV E4S (v.9.2) |
cpe:/a:redhat:rhel_e4s:9.2::nfv |
|
| Red Hat | Red Hat Enterprise Linux Real Time for NFV EUS (v.9.4) |
cpe:/a:redhat:rhel_eus:9.4::nfv |
|
| Red Hat | Red Hat Enterprise Linux Real Time for NFV EUS (v.9.6) |
cpe:/a:redhat:rhel_eus:9.6::nfv |
|
| Red Hat | Red Hat Enterprise Linux Real Time for NFV (v. 9) |
cpe:/a:redhat:enterprise_linux:9::nfv |
|
| Red Hat | Red Hat Enterprise Linux Real Time EUS (v. 10.0) |
cpe:/o:redhat:enterprise_linux_eus:10.0 |
|
| Red Hat | Red Hat Enterprise Linux Real Time (v. 10) |
cpe:/o:redhat:enterprise_linux:10.2 |
|
| Red Hat | Red Hat Enterprise Linux RT (v. 8) |
cpe:/a:redhat:enterprise_linux:8::realtime |
|
| Red Hat | Red Hat Enterprise Linux Real Time E4S (v.9.0) |
cpe:/a:redhat:rhel_e4s:9.0::realtime |
|
| Red Hat | Red Hat Enterprise Linux Real Time E4S (v.9.2) |
cpe:/a:redhat:rhel_e4s:9.2::realtime |
|
| Red Hat | Red Hat Enterprise Linux Real Time EUS (v.9.4) |
cpe:/a:redhat:rhel_eus:9.4::realtime |
|
| Red Hat | Red Hat Enterprise Linux Real Time EUS (v.9.6) |
cpe:/a:redhat:rhel_eus:9.6::realtime |
|
| Red Hat | Red Hat Enterprise Linux Real Time (v. 9) |
cpe:/a:redhat:enterprise_linux:9::realtime |
|
| Red Hat | Red Hat Enterprise Linux 9 |
cpe:/o:redhat:enterprise_linux:9 |
|
| Red Hat | Red Hat Enterprise Linux 6 |
cpe:/o:redhat:enterprise_linux:6 |
|
| Red Hat | Red Hat Enterprise Linux 7 |
cpe:/o:redhat:enterprise_linux:7 |
{
"containers": {
"adp": [
{
"affected": [
{
"cpes": [
"cpe:/o:redhat:enterprise_linux_eus:10.0"
],
"defaultStatus": "affected",
"product": "Red Hat Enterprise Linux AppStream EUS (v. 10.0)",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/o:redhat:enterprise_linux:10.2"
],
"defaultStatus": "affected",
"product": "Red Hat Enterprise Linux AppStream (v. 10)",
"vendor": "Red Hat"
},
{
"cpes": [
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],
"defaultStatus": "affected",
"product": "Red Hat Enterprise Linux AppStream E4S (v.9.0)",
"vendor": "Red Hat"
},
{
"cpes": [
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],
"defaultStatus": "affected",
"product": "Red Hat Enterprise Linux AppStream E4S (v.9.2)",
"vendor": "Red Hat"
},
{
"cpes": [
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],
"defaultStatus": "affected",
"product": "Red Hat Enterprise Linux AppStream EUS (v.9.4)",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/a:redhat:rhel_eus:9.6::appstream"
],
"defaultStatus": "affected",
"product": "Red Hat Enterprise Linux AppStream EUS (v.9.6)",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/a:redhat:enterprise_linux:9::appstream"
],
"defaultStatus": "affected",
"product": "Red Hat Enterprise Linux AppStream (v. 9)",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/o:redhat:enterprise_linux_eus:10.0"
],
"defaultStatus": "affected",
"product": "Red Hat Enterprise Linux BaseOS EUS (v. 10.0)",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/o:redhat:enterprise_linux:10.2"
],
"defaultStatus": "affected",
"product": "Red Hat Enterprise Linux BaseOS (v. 10)",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/o:redhat:enterprise_linux:8::baseos"
],
"defaultStatus": "affected",
"product": "Red Hat Enterprise Linux BaseOS (v. 8)",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/o:redhat:rhel_aus:8.6::baseos"
],
"defaultStatus": "affected",
"product": "Red Hat Enterprise Linux BaseOS AUS (v.8.6)",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/o:redhat:rhel_e4s:8.6::baseos"
],
"defaultStatus": "affected",
"product": "Red Hat Enterprise Linux BaseOS E4S (v.8.6)",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/o:redhat:rhel_tus:8.6::baseos"
],
"defaultStatus": "affected",
"product": "Red Hat Enterprise Linux BaseOS TUS (v.8.6)",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/o:redhat:rhel_e4s:8.8::baseos"
],
"defaultStatus": "affected",
"product": "Red Hat Enterprise Linux BaseOS E4S (v.8.8)",
"vendor": "Red Hat"
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"title": "KVM: x86/mmu: Drop/zap existing present SPTE even when creating an MMIO SPTE",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"assignerShortName": "Linux",
"cveId": "CVE-2026-23401",
"datePublished": "2026-04-01T08:36:32.367Z",
"dateReserved": "2026-01-13T15:37:46.012Z",
"dateUpdated": "2026-06-30T12:06:45.035Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-31402 (GCVE-0-2026-31402)
Vulnerability from cvelistv5 – Published: 2026-04-03 15:16 – Updated: 2026-06-30 12:07
VLAI
EPSS
Title
nfsd: fix heap overflow in NFSv4.0 LOCK replay cache
Summary
In the Linux kernel, the following vulnerability has been resolved:
nfsd: fix heap overflow in NFSv4.0 LOCK replay cache
The NFSv4.0 replay cache uses a fixed 112-byte inline buffer
(rp_ibuf[NFSD4_REPLAY_ISIZE]) to store encoded operation responses.
This size was calculated based on OPEN responses and does not account
for LOCK denied responses, which include the conflicting lock owner as
a variable-length field up to 1024 bytes (NFS4_OPAQUE_LIMIT).
When a LOCK operation is denied due to a conflict with an existing lock
that has a large owner, nfsd4_encode_operation() copies the full encoded
response into the undersized replay buffer via read_bytes_from_xdr_buf()
with no bounds check. This results in a slab-out-of-bounds write of up
to 944 bytes past the end of the buffer, corrupting adjacent heap memory.
This can be triggered remotely by an unauthenticated attacker with two
cooperating NFSv4.0 clients: one sets a lock with a large owner string,
then the other requests a conflicting lock to provoke the denial.
We could fix this by increasing NFSD4_REPLAY_ISIZE to allow for a full
opaque, but that would increase the size of every stateowner, when most
lockowners are not that large.
Instead, fix this by checking the encoded response length against
NFSD4_REPLAY_ISIZE before copying into the replay buffer. If the
response is too large, set rp_buflen to 0 to skip caching the replay
payload. The status is still cached, and the client already received the
correct response on the original request.
Severity
9.8 (Critical)
7.8 (High)
CWE
- CWE-787 - Out-of-bounds Write
Assigner
References
30 references
| URL | Tags |
|---|---|
| https://git.kernel.org/stable/c/f9fcb4441f6c02bb2… | |
| https://git.kernel.org/stable/c/2665887a69437a8a4… | |
| https://git.kernel.org/stable/c/c9452c0797c95cf23… | |
| https://git.kernel.org/stable/c/8afb437ea1f70cacb… | |
| https://git.kernel.org/stable/c/dad0c3c0a8e5d1d6e… | |
| https://git.kernel.org/stable/c/0f0e2a54a31a7f9ad… | |
| https://git.kernel.org/stable/c/ae8498337dfdfda71… | |
| https://git.kernel.org/stable/c/5133b61aaf437e5f2… | |
| https://access.redhat.com/security/cve/CVE-2026-31402 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2454844 | issue-trackingx_refsource_REDHAT |
| https://security.access.redhat.com/data/csaf/v2/v… | x_sadp-csaf-vex |
| https://access.redhat.com/errata/RHSA-2026:14823 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:14925 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:14869 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:15883 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:13566 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:19569 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:13936 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:13734 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:10108 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:11313 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:13565 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:19568 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:13577 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:14165 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:13664 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:13681 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:13578 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:14137 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:14301 | vendor-advisoryx_refsource_REDHAT |
Impacted products
52 products
| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux |
Affected:
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < f9fcb4441f6c02bb20c2eb340101e27dfe23607c
(git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 2665887a69437a8a4f552f69509eecfb73d4aa19 (git) Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < c9452c0797c95cf2378170df96cf4f4b3bca7eff (git) Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 8afb437ea1f70cacb4bbdf11771fb5c4d720b965 (git) Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < dad0c3c0a8e5d1d6eb0fc455694ce3e25e6c57d0 (git) Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 0f0e2a54a31a7f9ad2915db99156114872317388 (git) Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < ae8498337dfdfda71bdd0b807c9a23a126011d76 (git) Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 5133b61aaf437e5f25b1b396b14242a6bb0508e2 (git) |
|
| Linux | Linux |
Affected:
2.6.12
Unaffected: 0 , < 2.6.12 (semver) Unaffected: 5.10.253 , ≤ 5.10.* (semver) Unaffected: 5.15.210 , ≤ 5.15.* (semver) Unaffected: 6.1.167 , ≤ 6.1.* (semver) Unaffected: 6.6.130 , ≤ 6.6.* (semver) Unaffected: 6.12.78 , ≤ 6.12.* (semver) Unaffected: 6.18.20 , ≤ 6.18.* (semver) Unaffected: 6.19.10 , ≤ 6.19.* (semver) Unaffected: 7.0 , ≤ * (original_commit_for_fix) |
|
| Red Hat | Red Hat Enterprise Linux Server -EXTENSION(v. 6 ELS-EXTENSION) |
cpe:/o:redhat:rhel_els:6 |
|
| Red Hat | Red Hat Enterprise Linux Server Optional -EXTENSION (v. 6 ELS -EXTENSION) |
cpe:/o:redhat:rhel_els:6 |
|
| Red Hat | Red Hat Enterprise Linux Server (v. 7 ELS) |
cpe:/o:redhat:rhel_els:7 |
|
| Red Hat | Red Hat Enterprise Linux for Real Time (v. 7 ELS) |
cpe:/a:redhat:rhel_extras_rt_els:7 |
|
| Red Hat | Red Hat Enterprise Linux Server Optional (v. 7 ELS) |
cpe:/o:redhat:rhel_els:7 |
|
| Red Hat | Red Hat Enterprise Linux AppStream EUS (v. 10.0) |
cpe:/o:redhat:enterprise_linux_eus:10.0 |
|
| Red Hat | Red Hat Enterprise Linux AppStream (v. 10) |
cpe:/o:redhat:enterprise_linux:10.1 cpe:/o:redhat:enterprise_linux:10.2 |
|
| Red Hat | Red Hat Enterprise Linux AppStream E4S (v.9.0) |
cpe:/a:redhat:rhel_e4s:9.0::appstream |
|
| Red Hat | Red Hat Enterprise Linux AppStream E4S (v.9.2) |
cpe:/a:redhat:rhel_e4s:9.2::appstream |
|
| Red Hat | Red Hat Enterprise Linux AppStream EUS (v.9.4) |
cpe:/a:redhat:rhel_eus:9.4::appstream |
|
| Red Hat | Red Hat Enterprise Linux AppStream EUS (v.9.6) |
cpe:/a:redhat:rhel_eus:9.6::appstream |
|
| Red Hat | Red Hat Enterprise Linux AppStream (v. 9) |
cpe:/a:redhat:enterprise_linux:9::appstream |
|
| Red Hat | Red Hat Enterprise Linux BaseOS EUS (v. 10.0) |
cpe:/o:redhat:enterprise_linux_eus:10.0 |
|
| Red Hat | Red Hat Enterprise Linux BaseOS (v. 10) |
cpe:/o:redhat:enterprise_linux:10.1 cpe:/o:redhat:enterprise_linux:10.2 |
|
| Red Hat | Red Hat Enterprise Linux BaseOS (v. 8) |
cpe:/o:redhat:enterprise_linux:8::baseos |
|
| Red Hat | Red Hat Enterprise Linux BaseOS AUS (v.8.4) |
cpe:/o:redhat:rhel_aus:8.4::baseos |
|
| Red Hat | Red Hat Enterprise Linux BaseOS EUS EXTENSION (v.8.4) |
cpe:/o:redhat:rhel_eus_long_life:8.4::baseos |
|
| Red Hat | Red Hat Enterprise Linux BaseOS AUS (v.8.6) |
cpe:/o:redhat:rhel_aus:8.6::baseos |
|
| Red Hat | Red Hat Enterprise Linux BaseOS E4S (v.8.6) |
cpe:/o:redhat:rhel_e4s:8.6::baseos |
|
| Red Hat | Red Hat Enterprise Linux BaseOS TUS (v.8.6) |
cpe:/o:redhat:rhel_tus:8.6::baseos |
|
| Red Hat | Red Hat Enterprise Linux BaseOS E4S (v.8.8) |
cpe:/o:redhat:rhel_e4s:8.8::baseos |
|
| Red Hat | Red Hat Enterprise Linux BaseOS TUS (v.8.8) |
cpe:/o:redhat:rhel_tus:8.8::baseos |
|
| Red Hat | Red Hat Enterprise Linux BaseOS E4S (v.9.0) |
cpe:/o:redhat:rhel_e4s:9.0::baseos |
|
| Red Hat | Red Hat Enterprise Linux BaseOS E4S (v.9.2) |
cpe:/o:redhat:rhel_e4s:9.2::baseos |
|
| Red Hat | Red Hat Enterprise Linux BaseOS EUS (v.9.4) |
cpe:/o:redhat:rhel_eus:9.4::baseos |
|
| Red Hat | Red Hat Enterprise Linux BaseOS EUS (v.9.6) |
cpe:/o:redhat:rhel_eus:9.6::baseos |
|
| Red Hat | Red Hat Enterprise Linux BaseOS (v. 9) |
cpe:/o:redhat:enterprise_linux:9::baseos |
|
| Red Hat | Red Hat Enterprise Linux CodeReady Linux Builder EUS (v. 10.0) |
cpe:/o:redhat:enterprise_linux_eus:10.0 |
|
| Red Hat | Red Hat Enterprise Linux CodeReady Linux Builder (v. 10) |
cpe:/o:redhat:enterprise_linux:10.1 cpe:/o:redhat:enterprise_linux:10.2 |
|
| Red Hat | Red Hat Enterprise Linux CRB (v. 8) |
cpe:/a:redhat:enterprise_linux:8::crb |
|
| Red Hat | Red Hat CodeReady Linux Builder EUS (v.9.4) |
cpe:/a:redhat:rhel_eus:9.4::crb |
|
| Red Hat | Red Hat CodeReady Linux Builder EUS (v.9.6) |
cpe:/a:redhat:rhel_eus:9.6::crb |
|
| Red Hat | Red Hat Enterprise Linux CodeReady Linux Builder (v. 9) |
cpe:/a:redhat:enterprise_linux:9::crb |
|
| Red Hat | Red Hat Enterprise Linux Real Time for NFV EUS (v. 10.0) |
cpe:/o:redhat:enterprise_linux_eus:10.0 |
|
| Red Hat | Red Hat Enterprise Linux Real Time for NFV (v. 10) |
cpe:/o:redhat:enterprise_linux:10.1 cpe:/o:redhat:enterprise_linux:10.2 |
|
| Red Hat | Red Hat Enterprise Linux NFV (v. 8) |
cpe:/a:redhat:enterprise_linux:8::nfv |
|
| Red Hat | Red Hat Enterprise Linux NFV E4S (v.9.0) |
cpe:/a:redhat:rhel_e4s:9.0::nfv |
|
| Red Hat | Red Hat Enterprise Linux Real Time for NFV E4S (v.9.2) |
cpe:/a:redhat:rhel_e4s:9.2::nfv |
|
| Red Hat | Red Hat Enterprise Linux Real Time for NFV EUS (v.9.4) |
cpe:/a:redhat:rhel_eus:9.4::nfv |
|
| Red Hat | Red Hat Enterprise Linux Real Time for NFV EUS (v.9.6) |
cpe:/a:redhat:rhel_eus:9.6::nfv |
|
| Red Hat | Red Hat Enterprise Linux Real Time for NFV (v. 9) |
cpe:/a:redhat:enterprise_linux:9::nfv |
|
| Red Hat | Red Hat Enterprise Linux Real Time EUS (v. 10.0) |
cpe:/o:redhat:enterprise_linux_eus:10.0 |
|
| Red Hat | Red Hat Enterprise Linux Real Time (v. 10) |
cpe:/o:redhat:enterprise_linux:10.1 cpe:/o:redhat:enterprise_linux:10.2 |
|
| Red Hat | Red Hat Enterprise Linux RT (v. 8) |
cpe:/a:redhat:enterprise_linux:8::realtime |
|
| Red Hat | Red Hat Enterprise Linux Real Time E4S (v.9.0) |
cpe:/a:redhat:rhel_e4s:9.0::realtime |
|
| Red Hat | Red Hat Enterprise Linux Real Time E4S (v.9.2) |
cpe:/a:redhat:rhel_e4s:9.2::realtime |
|
| Red Hat | Red Hat Enterprise Linux Real Time EUS (v.9.4) |
cpe:/a:redhat:rhel_eus:9.4::realtime |
|
| Red Hat | Red Hat Enterprise Linux Real Time EUS (v.9.6) |
cpe:/a:redhat:rhel_eus:9.6::realtime |
|
| Red Hat | Red Hat Enterprise Linux Real Time (v. 9) |
cpe:/a:redhat:enterprise_linux:9::realtime |
|
| Red Hat | Red Hat Enterprise Linux 9 |
cpe:/o:redhat:enterprise_linux:9 |
{
"containers": {
"adp": [
{
"affected": [
{
"cpes": [
"cpe:/o:redhat:rhel_els:6"
],
"defaultStatus": "affected",
"product": "Red Hat Enterprise Linux Server -EXTENSION(v. 6 ELS-EXTENSION)",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/o:redhat:rhel_els:6"
],
"defaultStatus": "affected",
"product": "Red Hat Enterprise Linux Server Optional -EXTENSION (v. 6 ELS -EXTENSION)",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/o:redhat:rhel_els:7"
],
"defaultStatus": "affected",
"product": "Red Hat Enterprise Linux Server (v. 7 ELS)",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/a:redhat:rhel_extras_rt_els:7"
],
"defaultStatus": "affected",
"product": "Red Hat Enterprise Linux for Real Time (v. 7 ELS)",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/o:redhat:rhel_els:7"
],
"defaultStatus": "affected",
"product": "Red Hat Enterprise Linux Server Optional (v. 7 ELS)",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/o:redhat:enterprise_linux_eus:10.0"
],
"defaultStatus": "affected",
"product": "Red Hat Enterprise Linux AppStream EUS (v. 10.0)",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/o:redhat:enterprise_linux:10.1",
"cpe:/o:redhat:enterprise_linux:10.2"
],
"defaultStatus": "affected",
"product": "Red Hat Enterprise Linux AppStream (v. 10)",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/a:redhat:rhel_e4s:9.0::appstream"
],
"defaultStatus": "affected",
"product": "Red Hat Enterprise Linux AppStream E4S (v.9.0)",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/a:redhat:rhel_e4s:9.2::appstream"
],
"defaultStatus": "affected",
"product": "Red Hat Enterprise Linux AppStream E4S (v.9.2)",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/a:redhat:rhel_eus:9.4::appstream"
],
"defaultStatus": "affected",
"product": "Red Hat Enterprise Linux AppStream EUS (v.9.4)",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/a:redhat:rhel_eus:9.6::appstream"
],
"defaultStatus": "affected",
"product": "Red Hat Enterprise Linux AppStream EUS (v.9.6)",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/a:redhat:enterprise_linux:9::appstream"
],
"defaultStatus": "affected",
"product": "Red Hat Enterprise Linux AppStream (v. 9)",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/o:redhat:enterprise_linux_eus:10.0"
],
"defaultStatus": "affected",
"product": "Red Hat Enterprise Linux BaseOS EUS (v. 10.0)",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/o:redhat:enterprise_linux:10.1",
"cpe:/o:redhat:enterprise_linux:10.2"
],
"defaultStatus": "affected",
"product": "Red Hat Enterprise Linux BaseOS (v. 10)",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/o:redhat:enterprise_linux:8::baseos"
],
"defaultStatus": "affected",
"product": "Red Hat Enterprise Linux BaseOS (v. 8)",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/o:redhat:rhel_aus:8.4::baseos"
],
"defaultStatus": "affected",
"product": "Red Hat Enterprise Linux BaseOS AUS (v.8.4)",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/o:redhat:rhel_eus_long_life:8.4::baseos"
],
"defaultStatus": "affected",
"product": "Red Hat Enterprise Linux BaseOS EUS EXTENSION (v.8.4)",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/o:redhat:rhel_aus:8.6::baseos"
],
"defaultStatus": "affected",
"product": "Red Hat Enterprise Linux BaseOS AUS (v.8.6)",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/o:redhat:rhel_e4s:8.6::baseos"
],
"defaultStatus": "affected",
"product": "Red Hat Enterprise Linux BaseOS E4S (v.8.6)",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/o:redhat:rhel_tus:8.6::baseos"
],
"defaultStatus": "affected",
"product": "Red Hat Enterprise Linux BaseOS TUS (v.8.6)",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/o:redhat:rhel_e4s:8.8::baseos"
],
"defaultStatus": "affected",
"product": "Red Hat Enterprise Linux BaseOS E4S (v.8.8)",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/o:redhat:rhel_tus:8.8::baseos"
],
"defaultStatus": "affected",
"product": "Red Hat Enterprise Linux BaseOS TUS (v.8.8)",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/o:redhat:rhel_e4s:9.0::baseos"
],
"defaultStatus": "affected",
"product": "Red Hat Enterprise Linux BaseOS E4S (v.9.0)",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/o:redhat:rhel_e4s:9.2::baseos"
],
"defaultStatus": "affected",
"product": "Red Hat Enterprise Linux BaseOS E4S (v.9.2)",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/o:redhat:rhel_eus:9.4::baseos"
],
"defaultStatus": "affected",
"product": "Red Hat Enterprise Linux BaseOS EUS (v.9.4)",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/o:redhat:rhel_eus:9.6::baseos"
],
"defaultStatus": "affected",
"product": "Red Hat Enterprise Linux BaseOS EUS (v.9.6)",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/o:redhat:enterprise_linux:9::baseos"
],
"defaultStatus": "affected",
"product": "Red Hat Enterprise Linux BaseOS (v. 9)",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/o:redhat:enterprise_linux_eus:10.0"
],
"defaultStatus": "affected",
"product": "Red Hat Enterprise Linux CodeReady Linux Builder EUS (v. 10.0)",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/o:redhat:enterprise_linux:10.1",
"cpe:/o:redhat:enterprise_linux:10.2"
],
"defaultStatus": "affected",
"product": "Red Hat Enterprise Linux CodeReady Linux Builder (v. 10)",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/a:redhat:enterprise_linux:8::crb"
],
"defaultStatus": "affected",
"product": "Red Hat Enterprise Linux CRB (v. 8)",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/a:redhat:rhel_eus:9.4::crb"
],
"defaultStatus": "affected",
"product": "Red Hat CodeReady Linux Builder EUS (v.9.4)",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/a:redhat:rhel_eus:9.6::crb"
],
"defaultStatus": "affected",
"product": "Red Hat CodeReady Linux Builder EUS (v.9.6)",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/a:redhat:enterprise_linux:9::crb"
],
"defaultStatus": "affected",
"product": "Red Hat Enterprise Linux CodeReady Linux Builder (v. 9)",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/o:redhat:enterprise_linux_eus:10.0"
],
"defaultStatus": "affected",
"product": "Red Hat Enterprise Linux Real Time for NFV EUS (v. 10.0)",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/o:redhat:enterprise_linux:10.1",
"cpe:/o:redhat:enterprise_linux:10.2"
],
"defaultStatus": "affected",
"product": "Red Hat Enterprise Linux Real Time for NFV (v. 10)",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/a:redhat:enterprise_linux:8::nfv"
],
"defaultStatus": "affected",
"product": "Red Hat Enterprise Linux NFV (v. 8)",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/a:redhat:rhel_e4s:9.0::nfv"
],
"defaultStatus": "affected",
"product": "Red Hat Enterprise Linux NFV E4S (v.9.0)",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/a:redhat:rhel_e4s:9.2::nfv"
],
"defaultStatus": "affected",
"product": "Red Hat Enterprise Linux Real Time for NFV E4S (v.9.2)",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/a:redhat:rhel_eus:9.4::nfv"
],
"defaultStatus": "affected",
"product": "Red Hat Enterprise Linux Real Time for NFV EUS (v.9.4)",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/a:redhat:rhel_eus:9.6::nfv"
],
"defaultStatus": "affected",
"product": "Red Hat Enterprise Linux Real Time for NFV EUS (v.9.6)",
"vendor": "Red Hat"
},
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CVE-2026-31419 (GCVE-0-2026-31419)
Vulnerability from cvelistv5 – Published: 2026-04-13 13:40 – Updated: 2026-06-30 12:07
VLAI
EPSS
Title
net: bonding: fix use-after-free in bond_xmit_broadcast()
Summary
In the Linux kernel, the following vulnerability has been resolved:
net: bonding: fix use-after-free in bond_xmit_broadcast()
bond_xmit_broadcast() reuses the original skb for the last slave
(determined by bond_is_last_slave()) and clones it for others.
Concurrent slave enslave/release can mutate the slave list during
RCU-protected iteration, changing which slave is "last" mid-loop.
This causes the original skb to be double-consumed (double-freed).
Replace the racy bond_is_last_slave() check with a simple index
comparison (i + 1 == slaves_count) against the pre-snapshot slave
count taken via READ_ONCE() before the loop. This preserves the
zero-copy optimization for the last slave while making the "last"
determination stable against concurrent list mutations.
The UAF can trigger the following crash:
==================================================================
BUG: KASAN: slab-use-after-free in skb_clone
Read of size 8 at addr ffff888100ef8d40 by task exploit/147
CPU: 1 UID: 0 PID: 147 Comm: exploit Not tainted 7.0.0-rc3+ #4 PREEMPTLAZY
Call Trace:
<TASK>
dump_stack_lvl (lib/dump_stack.c:123)
print_report (mm/kasan/report.c:379 mm/kasan/report.c:482)
kasan_report (mm/kasan/report.c:597)
skb_clone (include/linux/skbuff.h:1724 include/linux/skbuff.h:1792 include/linux/skbuff.h:3396 net/core/skbuff.c:2108)
bond_xmit_broadcast (drivers/net/bonding/bond_main.c:5334)
bond_start_xmit (drivers/net/bonding/bond_main.c:5567 drivers/net/bonding/bond_main.c:5593)
dev_hard_start_xmit (include/linux/netdevice.h:5325 include/linux/netdevice.h:5334 net/core/dev.c:3871 net/core/dev.c:3887)
__dev_queue_xmit (include/linux/netdevice.h:3601 net/core/dev.c:4838)
ip6_finish_output2 (include/net/neighbour.h:540 include/net/neighbour.h:554 net/ipv6/ip6_output.c:136)
ip6_finish_output (net/ipv6/ip6_output.c:208 net/ipv6/ip6_output.c:219)
ip6_output (net/ipv6/ip6_output.c:250)
ip6_send_skb (net/ipv6/ip6_output.c:1985)
udp_v6_send_skb (net/ipv6/udp.c:1442)
udpv6_sendmsg (net/ipv6/udp.c:1733)
__sys_sendto (net/socket.c:730 net/socket.c:742 net/socket.c:2206)
__x64_sys_sendto (net/socket.c:2209)
do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
</TASK>
Allocated by task 147:
Freed by task 147:
The buggy address belongs to the object at ffff888100ef8c80
which belongs to the cache skbuff_head_cache of size 224
The buggy address is located 192 bytes inside of
freed 224-byte region [ffff888100ef8c80, ffff888100ef8d60)
Memory state around the buggy address:
ffff888100ef8c00: fb fb fb fb fc fc fc fc fc fc fc fc fc fc fc fc
ffff888100ef8c80: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff888100ef8d00: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc
^
ffff888100ef8d80: fc fc fc fc fc fc fc fc fa fb fb fb fb fb fb fb
ffff888100ef8e00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================
Severity
CWE
- CWE-416 - Use After Free
Assigner
References
19 references
| URL | Tags |
|---|---|
| https://git.kernel.org/stable/c/2de5c8eea0a9db99d… | |
| https://git.kernel.org/stable/c/3453882f36c40d233… | |
| https://git.kernel.org/stable/c/d4cc7e4c80b1634c7… | |
| https://git.kernel.org/stable/c/f5b94654a4a19891a… | |
| https://git.kernel.org/stable/c/2884bf72fb8f03409… | |
| https://access.redhat.com/security/cve/CVE-2026-31419 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2457829 | issue-trackingx_refsource_REDHAT |
| https://security.access.redhat.com/data/csaf/v2/v… | x_sadp-csaf-vex |
| https://access.redhat.com/errata/RHSA-2026:22334 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:13566 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:25191 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:22940 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:21209 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:23224 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:25217 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:27353 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:19521 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:27354 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:22900 | vendor-advisoryx_refsource_REDHAT |
Impacted products
40 products
| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux |
Affected:
4e5bd03ae34652cd932ab4c91c71c511793df75c , < 2de5c8eea0a9db99dae7c36f4b541b74b41d3a04
(git)
Affected: 4e5bd03ae34652cd932ab4c91c71c511793df75c , < 3453882f36c40d2339267093676585a89808a73d (git) Affected: 4e5bd03ae34652cd932ab4c91c71c511793df75c , < d4cc7e4c80b1634c7b1497574a2fdb18df6c026c (git) Affected: 4e5bd03ae34652cd932ab4c91c71c511793df75c , < f5b94654a4a19891a8108d66ef166de6c028c6cd (git) Affected: 4e5bd03ae34652cd932ab4c91c71c511793df75c , < 2884bf72fb8f03409e423397319205de48adca16 (git) Affected: 20949c3816463e97c6f8fe84c0280c7e5ae83a8d (git) Affected: f1d206181f19b00b275b258fea1418718a2f4173 (git) Affected: c1f1691ef84fa6d38fa5e5148eca073145e97ffa (git) Affected: 5.10.94 , < 5.11 (semver) Affected: 5.15.17 , < 5.16 (semver) Affected: 5.16.3 , < 5.17 (semver) |
|
| Linux | Linux |
Affected:
5.17
Unaffected: 0 , < 5.17 (semver) Unaffected: 6.6.143 , ≤ 6.6.* (semver) Unaffected: 6.12.86 , ≤ 6.12.* (semver) Unaffected: 6.18.22 , ≤ 6.18.* (semver) Unaffected: 6.19.12 , ≤ 6.19.* (semver) Unaffected: 7.0 , ≤ * (original_commit_for_fix) |
|
| Red Hat | Red Hat Enterprise Linux AppStream EUS (v. 10.0) |
cpe:/o:redhat:enterprise_linux_eus:10.0 |
|
| Red Hat | Red Hat Enterprise Linux AppStream (v. 10) |
cpe:/o:redhat:enterprise_linux:10.1 cpe:/o:redhat:enterprise_linux:10.2 |
|
| Red Hat | Red Hat Enterprise Linux AppStream E4S (v.9.2) |
cpe:/a:redhat:rhel_e4s:9.2::appstream |
|
| Red Hat | Red Hat Enterprise Linux AppStream EUS (v.9.4) |
cpe:/a:redhat:rhel_eus:9.4::appstream |
|
| Red Hat | Red Hat Enterprise Linux AppStream EUS (v.9.6) |
cpe:/a:redhat:rhel_eus:9.6::appstream |
|
| Red Hat | Red Hat Enterprise Linux AppStream (v. 9) |
cpe:/a:redhat:enterprise_linux:9::appstream |
|
| Red Hat | Red Hat Enterprise Linux BaseOS EUS (v. 10.0) |
cpe:/o:redhat:enterprise_linux_eus:10.0 |
|
| Red Hat | Red Hat Enterprise Linux BaseOS (v. 10) |
cpe:/o:redhat:enterprise_linux:10.1 cpe:/o:redhat:enterprise_linux:10.2 |
|
| Red Hat | Red Hat Enterprise Linux BaseOS (v. 8) |
cpe:/o:redhat:enterprise_linux:8::baseos |
|
| Red Hat | Red Hat Enterprise Linux BaseOS E4S (v.8.8) |
cpe:/o:redhat:rhel_e4s:8.8::baseos |
|
| Red Hat | Red Hat Enterprise Linux BaseOS TUS (v.8.8) |
cpe:/o:redhat:rhel_tus:8.8::baseos |
|
| Red Hat | Red Hat Enterprise Linux BaseOS E4S (v.9.2) |
cpe:/o:redhat:rhel_e4s:9.2::baseos |
|
| Red Hat | Red Hat Enterprise Linux BaseOS EUS (v.9.4) |
cpe:/o:redhat:rhel_eus:9.4::baseos |
|
| Red Hat | Red Hat Enterprise Linux BaseOS EUS (v.9.6) |
cpe:/o:redhat:rhel_eus:9.6::baseos |
|
| Red Hat | Red Hat Enterprise Linux BaseOS (v. 9) |
cpe:/o:redhat:enterprise_linux:9::baseos |
|
| Red Hat | Red Hat Enterprise Linux CodeReady Linux Builder EUS (v. 10.0) |
cpe:/o:redhat:enterprise_linux_eus:10.0 |
|
| Red Hat | Red Hat Enterprise Linux CodeReady Linux Builder (v. 10) |
cpe:/o:redhat:enterprise_linux:10.1 cpe:/o:redhat:enterprise_linux:10.2 |
|
| Red Hat | Red Hat Enterprise Linux CRB (v. 8) |
cpe:/a:redhat:enterprise_linux:8::crb |
|
| Red Hat | Red Hat CodeReady Linux Builder EUS (v.9.4) |
cpe:/a:redhat:rhel_eus:9.4::crb |
|
| Red Hat | Red Hat CodeReady Linux Builder EUS (v.9.6) |
cpe:/a:redhat:rhel_eus:9.6::crb |
|
| Red Hat | Red Hat Enterprise Linux CodeReady Linux Builder (v. 9) |
cpe:/a:redhat:enterprise_linux:9::crb |
|
| Red Hat | Red Hat Enterprise Linux Real Time for NFV EUS (v. 10.0) |
cpe:/o:redhat:enterprise_linux_eus:10.0 |
|
| Red Hat | Red Hat Enterprise Linux Real Time for NFV (v. 10) |
cpe:/o:redhat:enterprise_linux:10.1 cpe:/o:redhat:enterprise_linux:10.2 |
|
| Red Hat | Red Hat Enterprise Linux NFV (v. 8) |
cpe:/a:redhat:enterprise_linux:8::nfv |
|
| Red Hat | Red Hat Enterprise Linux Real Time for NFV E4S (v.9.2) |
cpe:/a:redhat:rhel_e4s:9.2::nfv |
|
| Red Hat | Red Hat Enterprise Linux Real Time for NFV EUS (v.9.4) |
cpe:/a:redhat:rhel_eus:9.4::nfv |
|
| Red Hat | Red Hat Enterprise Linux Real Time for NFV EUS (v.9.6) |
cpe:/a:redhat:rhel_eus:9.6::nfv |
|
| Red Hat | Red Hat Enterprise Linux Real Time for NFV (v. 9) |
cpe:/a:redhat:enterprise_linux:9::nfv |
|
| Red Hat | Red Hat Enterprise Linux Real Time EUS (v. 10.0) |
cpe:/o:redhat:enterprise_linux_eus:10.0 |
|
| Red Hat | Red Hat Enterprise Linux Real Time (v. 10) |
cpe:/o:redhat:enterprise_linux:10.1 cpe:/o:redhat:enterprise_linux:10.2 |
|
| Red Hat | Red Hat Enterprise Linux RT (v. 8) |
cpe:/a:redhat:enterprise_linux:8::realtime |
|
| Red Hat | Red Hat Enterprise Linux Real Time E4S (v.9.2) |
cpe:/a:redhat:rhel_e4s:9.2::realtime |
|
| Red Hat | Red Hat Enterprise Linux Real Time EUS (v.9.4) |
cpe:/a:redhat:rhel_eus:9.4::realtime |
|
| Red Hat | Red Hat Enterprise Linux Real Time EUS (v.9.6) |
cpe:/a:redhat:rhel_eus:9.6::realtime |
|
| Red Hat | Red Hat Enterprise Linux Real Time (v. 9) |
cpe:/a:redhat:enterprise_linux:9::realtime |
|
| Red Hat | Red Hat Enterprise Linux 9 |
cpe:/o:redhat:enterprise_linux:9 |
|
| Red Hat | Red Hat Enterprise Linux 6 |
cpe:/o:redhat:enterprise_linux:6 |
|
| Red Hat | Red Hat Enterprise Linux 7 |
cpe:/o:redhat:enterprise_linux:7 |
{
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{
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{
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{
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{
"cpes": [
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"defaultStatus": "affected",
"product": "Red Hat Enterprise Linux CRB (v. 8)",
"vendor": "Red Hat"
},
{
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"defaultStatus": "affected",
"product": "Red Hat CodeReady Linux Builder EUS (v.9.4)",
"vendor": "Red Hat"
},
{
"cpes": [
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"product": "Red Hat CodeReady Linux Builder EUS (v.9.6)",
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{
"cpes": [
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{
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"defaultStatus": "affected",
"product": "Red Hat Enterprise Linux Real Time for NFV EUS (v. 10.0)",
"vendor": "Red Hat"
},
{
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"product": "Red Hat Enterprise Linux Real Time for NFV (v. 10)",
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{
"cpes": [
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"defaultStatus": "affected",
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{
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{
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"product": "Red Hat Enterprise Linux Real Time (v. 10)",
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{
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"vendor": "Red Hat"
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"product": "Red Hat Enterprise Linux Real Time EUS (v.9.4)",
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{
"cpes": [
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},
{
"cpes": [
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"defaultStatus": "affected",
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{
"cpes": [
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"product": "Red Hat Enterprise Linux 9",
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},
{
"cpes": [
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],
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},
{
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],
"datePublic": "2026-04-13T00:00:00.000Z",
"descriptions": [
{
"lang": "en",
"value": "A flaw was found in the Linux kernel\u0027s bonding driver. A local attacker with low privileges could exploit a use-after-free vulnerability in the `bond_xmit_broadcast()` function. This occurs due to a race condition during concurrent slave enslave/release operations, which can lead to the original socket buffer (skb) being double-freed. Successful exploitation of this flaw can result in a system crash, leading to a denial of service."
}
],
"metrics": [
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"type": "Red Hat severity rating"
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{
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"baseScore": 7,
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"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"format": "CVSS"
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"problemTypes": [
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"description": "Use After Free",
"lang": "en",
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]
}
],
"providerMetadata": {
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"orgId": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c",
"shortName": "redhat-SADP"
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"references": [
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},
{
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"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2457829"
},
{
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{
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{
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],
"url": "https://access.redhat.com/errata/RHSA-2026:13566"
},
{
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{
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CVE-2026-31431 (GCVE-0-2026-31431)
Vulnerability from cvelistv5 – Published: 2026-04-22 08:15 – Updated: 2026-07-01 12:05
VLAI
EPSS
Title
crypto: algif_aead - Revert to operating out-of-place
Summary
In the Linux kernel, the following vulnerability has been resolved:
crypto: algif_aead - Revert to operating out-of-place
This mostly reverts commit 72548b093ee3 except for the copying of
the associated data.
There is no benefit in operating in-place in algif_aead since the
source and destination come from different mappings. Get rid of
all the complexity added for in-place operation and just copy the
AD directly.
Severity
7.8 (High)
SSVC
Exploitation: active
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
125 references
| URL | Tags |
|---|---|
| https://git.kernel.org/stable/c/893d22e0135fa394d… | |
| https://git.kernel.org/stable/c/19d43105a97be0810… | |
| https://git.kernel.org/stable/c/961cfa271a918ad4a… | |
| https://git.kernel.org/stable/c/3115af9644c342b35… | |
| https://git.kernel.org/stable/c/8b88d99341f139e23… | |
| https://git.kernel.org/stable/c/fafe0fa2995a0f707… | |
| https://git.kernel.org/stable/c/ce42ee423e58dffa5… | |
| https://git.kernel.org/stable/c/a664bf3d603dc3bdc… | |
| https://github.com/theori-io/copy-fail-CVE-2026-31431 | exploit |
| https://xint.io/blog/copy-fail-linux-distribution… | mitigation |
| https://lore.kernel.org/linux-cve-announce/202604… | mitigation |
| https://access.redhat.com/security/cve/cve-2026-3… | mitigation |
| https://www.cisa.gov/known-exploited-vulnerabilit… | government-resource |
| http://www.openwall.com/lists/oss-security/2026/0… | |
| https://copy.fail | |
| http://www.openwall.com/lists/oss-security/2026/0… | |
| http://www.openwall.com/lists/oss-security/2026/0… | |
| http://www.openwall.com/lists/oss-security/2026/04/30/2 | |
| http://www.openwall.com/lists/oss-security/2026/04/30/5 | |
| http://www.openwall.com/lists/oss-security/2026/04/30/6 | |
| http://www.openwall.com/lists/oss-security/2026/0… | |
| http://www.openwall.com/lists/oss-security/2026/0… | |
| http://www.openwall.com/lists/oss-security/2026/0… | |
| http://www.openwall.com/lists/oss-security/2026/0… | |
| http://www.openwall.com/lists/oss-security/2026/0… | |
| http://www.openwall.com/lists/oss-security/2026/0… | |
| http://www.openwall.com/lists/oss-security/2026/0… | |
| http://www.openwall.com/lists/oss-security/2026/0… | |
| https://websec.net/blog/cve-2026-31431-linux-algi… | |
| http://www.openwall.com/lists/oss-security/2026/0… | |
| http://www.openwall.com/lists/oss-security/2026/05/01/2 | |
| http://www.openwall.com/lists/oss-security/2026/05/01/3 | |
| http://www.openwall.com/lists/oss-security/2026/0… | |
| http://www.openwall.com/lists/oss-security/2026/0… | |
| http://www.openwall.com/lists/oss-security/2026/0… | |
| http://www.openwall.com/lists/oss-security/2026/0… | |
| http://www.openwall.com/lists/oss-security/2026/0… | |
| http://www.openwall.com/lists/oss-security/2026/0… | |
| http://www.openwall.com/lists/oss-security/2026/0… | |
| http://www.openwall.com/lists/oss-security/2026/0… | |
| http://www.openwall.com/lists/oss-security/2026/0… | |
| http://www.openwall.com/lists/oss-security/2026/05/02/4 | |
| http://www.openwall.com/lists/oss-security/2026/05/02/5 | |
| http://www.openwall.com/lists/oss-security/2026/05/02/6 | |
| http://www.openwall.com/lists/oss-security/2026/05/02/7 | |
| http://www.openwall.com/lists/oss-security/2026/05/02/8 | |
| http://www.openwall.com/lists/oss-security/2026/0… | |
| http://www.openwall.com/lists/oss-security/2026/0… | |
| http://www.openwall.com/lists/oss-security/2026/0… | |
| http://www.openwall.com/lists/oss-security/2026/0… | |
| http://www.openwall.com/lists/oss-security/2026/0… | |
| http://www.openwall.com/lists/oss-security/2026/0… | |
| http://www.openwall.com/lists/oss-security/2026/0… | |
| http://www.openwall.com/lists/oss-security/2026/0… | |
| http://www.openwall.com/lists/oss-security/2026/0… | |
| http://www.openwall.com/lists/oss-security/2026/0… | |
| http://www.openwall.com/lists/oss-security/2026/0… | |
| http://www.openwall.com/lists/oss-security/2026/05/03/3 | |
| http://www.openwall.com/lists/oss-security/2026/05/03/4 | |
| http://www.openwall.com/lists/oss-security/2026/0… | |
| http://www.openwall.com/lists/oss-security/2026/05/03/5 | |
| http://www.openwall.com/lists/oss-security/2026/05/03/6 | |
| http://www.openwall.com/lists/oss-security/2026/0… | |
| http://www.openwall.com/lists/oss-security/2026/0… | |
| http://www.openwall.com/lists/oss-security/2026/05/04/1 | |
| http://www.openwall.com/lists/oss-security/2026/05/04/2 | |
| http://www.openwall.com/lists/oss-security/2026/0… | |
| http://www.openwall.com/lists/oss-security/2026/0… | |
| http://www.openwall.com/lists/oss-security/2026/0… | |
| http://www.openwall.com/lists/oss-security/2026/0… | |
| http://www.openwall.com/lists/oss-security/2026/0… | |
| http://www.openwall.com/lists/oss-security/2026/05/04/8 | |
| http://www.openwall.com/lists/oss-security/2026/05/04/9 | |
| http://www.openwall.com/lists/oss-security/2026/0… | |
| http://www.openwall.com/lists/oss-security/2026/0… | |
| http://www.openwall.com/lists/oss-security/2026/0… | |
| http://www.openwall.com/lists/oss-security/2026/0… | |
| http://www.openwall.com/lists/oss-security/2026/0… | |
| http://www.openwall.com/lists/oss-security/2026/05/06/5 | |
| http://www.openwall.com/lists/oss-security/2026/05/07/2 | |
| http://www.openwall.com/lists/oss-security/2026/0… | |
| http://www.openwall.com/lists/oss-security/2026/0… | |
| https://www.kb.cert.org/vuls/id/260001 | |
| http://www.openwall.com/lists/oss-security/2026/05/18/3 | |
| https://cert-portal.siemens.com/productcert/html/… | |
| https://cert-portal.siemens.com/productcert/html/… | |
| https://access.redhat.com/security/cve/CVE-2026-31431 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2460538 | issue-trackingx_refsource_REDHAT |
| https://security.access.redhat.com/data/csaf/v2/v… | x_sadp-csaf-vex |
| https://access.redhat.com/errata/RHSA-2026:14926 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:33486 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:14097 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:14112 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:15087 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:14773 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:13729 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:13885 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:13727 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:13690 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:13862 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:13811 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:13887 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:13566 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:19074 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:13936 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:13734 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:13932 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:14339 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:13565 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:19225 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:13577 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:15976 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:14165 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:14230 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:16111 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:13681 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:16210 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:16209 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:16208 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:16063 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:16018 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:15978 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:13578 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:14137 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:14301 | vendor-advisoryx_refsource_REDHAT |
Impacted products
63 products
| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux |
Affected:
72548b093ee38a6d4f2a19e6ef1948ae05c181f7 , < 893d22e0135fa394db81df88697fba6032747667
(git)
Affected: 72548b093ee38a6d4f2a19e6ef1948ae05c181f7 , < 19d43105a97be0810edbda875f2cd03f30dc130c (git) Affected: 72548b093ee38a6d4f2a19e6ef1948ae05c181f7 , < 961cfa271a918ad4ae452420e7c303149002875b (git) Affected: 72548b093ee38a6d4f2a19e6ef1948ae05c181f7 , < 3115af9644c342b356f3f07a4dd1c8905cd9a6fc (git) Affected: 72548b093ee38a6d4f2a19e6ef1948ae05c181f7 , < 8b88d99341f139e23bdeb1027a2a3ae10d341d82 (git) Affected: 72548b093ee38a6d4f2a19e6ef1948ae05c181f7 , < fafe0fa2995a0f7073c1c358d7d3145bcc9aedd8 (git) Affected: 72548b093ee38a6d4f2a19e6ef1948ae05c181f7 , < ce42ee423e58dffa5ec03524054c9d8bfd4f6237 (git) Affected: 72548b093ee38a6d4f2a19e6ef1948ae05c181f7 , < a664bf3d603dc3bdcf9ae47cc21e0daec706d7a5 (git) |
|
| Linux | Linux |
Affected:
4.14
Unaffected: 0 , < 4.14 (semver) Unaffected: 5.10.254 , ≤ 5.10.* (semver) Unaffected: 5.15.204 , ≤ 5.15.* (semver) Unaffected: 6.1.170 , ≤ 6.1.* (semver) Unaffected: 6.6.137 , ≤ 6.6.* (semver) Unaffected: 6.12.85 , ≤ 6.12.* (semver) Unaffected: 6.18.22 , ≤ 6.18.* (semver) Unaffected: 6.19.12 , ≤ 6.19.* (semver) Unaffected: 7.0 , ≤ * (original_commit_for_fix) |
|
| Siemens | SIMATIC S7-1500 CPU 1518-4 PN/DP MFP |
Affected:
V3.1.5 , < *
(custom)
|
|
| Siemens | SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP |
Affected:
V3.1.5 , < *
(custom)
|
|
| Siemens | SIMATIC S7-1500 TM MFP - GNU/Linux subsystem |
Affected:
0 , < *
(custom)
|
|
| Siemens | SIPLUS S7-1500 CPU 1518-4 PN/DP MFP |
Affected:
V3.1.5 , < *
(custom)
|
|
| Red Hat | NVIDIA for RHEL 10 |
cpe:/a:redhat:enterprise_linux_nvidia:10::el10 |
|
| Red Hat | Red Hat OpenShift Container Platform 4.12 |
cpe:/a:redhat:openshift:4.12::el8 |
|
| Red Hat | Red Hat OpenShift Container Platform 4.13 |
cpe:/a:redhat:openshift:4.13::el9 |
|
| Red Hat | Red Hat OpenShift Container Platform 4.14 |
cpe:/a:redhat:openshift:4.14::el9 |
|
| Red Hat | Red Hat OpenShift Container Platform 4.15 |
cpe:/a:redhat:openshift:4.15::el9 |
|
| Red Hat | Red Hat OpenShift Container Platform 4.16 |
cpe:/a:redhat:openshift:4.16::el9 |
|
| Red Hat | Red Hat OpenShift Container Platform 4.17 |
cpe:/a:redhat:openshift:4.17::el9 |
|
| Red Hat | Red Hat OpenShift Container Platform 4.18 |
cpe:/a:redhat:openshift:4.18::el9 |
|
| Red Hat | Red Hat OpenShift Container Platform 4.19 |
cpe:/a:redhat:openshift:4.19::el9 |
|
| Red Hat | Red Hat OpenShift Container Platform 4.20 |
cpe:/a:redhat:openshift:4.20::el9 |
|
| Red Hat | Red Hat OpenShift Container Platform 4.21 |
cpe:/a:redhat:openshift:4.21::el9 |
|
| Red Hat | Red Hat Enterprise Linux AppStream EUS (v. 10.0) |
cpe:/o:redhat:enterprise_linux_eus:10.0 |
|
| Red Hat | Red Hat Enterprise Linux AppStream (v. 10) |
cpe:/o:redhat:enterprise_linux:10.1 cpe:/o:redhat:enterprise_linux:10.2 |
|
| Red Hat | Red Hat Enterprise Linux AppStream E4S (v.9.0) |
cpe:/a:redhat:rhel_e4s:9.0::appstream |
|
| Red Hat | Red Hat Enterprise Linux AppStream E4S (v.9.2) |
cpe:/a:redhat:rhel_e4s:9.2::appstream |
|
| Red Hat | Red Hat Enterprise Linux AppStream EUS (v.9.4) |
cpe:/a:redhat:rhel_eus:9.4::appstream |
|
| Red Hat | Red Hat Enterprise Linux AppStream EUS (v.9.6) |
cpe:/a:redhat:rhel_eus:9.6::appstream |
|
| Red Hat | Red Hat Enterprise Linux AppStream (v. 9) |
cpe:/a:redhat:enterprise_linux:9::appstream |
|
| Red Hat | Red Hat Enterprise Linux BaseOS EUS (v. 10.0) |
cpe:/o:redhat:enterprise_linux_eus:10.0 |
|
| Red Hat | Red Hat Enterprise Linux BaseOS (v. 10) |
cpe:/o:redhat:enterprise_linux:10.1 cpe:/o:redhat:enterprise_linux:10.2 |
|
| Red Hat | Red Hat Enterprise Linux BaseOS (v. 8) |
cpe:/o:redhat:enterprise_linux:8::baseos |
|
| Red Hat | Red Hat Enterprise Linux BaseOS AUS (v.8.4) |
cpe:/o:redhat:rhel_aus:8.4::baseos |
|
| Red Hat | Red Hat Enterprise Linux BaseOS EUS EXTENSION (v.8.4) |
cpe:/o:redhat:rhel_eus_long_life:8.4::baseos |
|
| Red Hat | Red Hat Enterprise Linux BaseOS AUS (v.8.6) |
cpe:/o:redhat:rhel_aus:8.6::baseos |
|
| Red Hat | Red Hat Enterprise Linux BaseOS E4S (v.8.6) |
cpe:/o:redhat:rhel_e4s:8.6::baseos |
|
| Red Hat | Red Hat Enterprise Linux BaseOS TUS (v.8.6) |
cpe:/o:redhat:rhel_tus:8.6::baseos |
|
| Red Hat | Red Hat Enterprise Linux BaseOS E4S (v.8.8) |
cpe:/o:redhat:rhel_e4s:8.8::baseos |
|
| Red Hat | Red Hat Enterprise Linux BaseOS TUS (v.8.8) |
cpe:/o:redhat:rhel_tus:8.8::baseos |
|
| Red Hat | Red Hat Enterprise Linux BaseOS E4S (v.9.0) |
cpe:/o:redhat:rhel_e4s:9.0::baseos |
|
| Red Hat | Red Hat Enterprise Linux BaseOS E4S (v.9.2) |
cpe:/o:redhat:rhel_e4s:9.2::baseos |
|
| Red Hat | Red Hat Enterprise Linux BaseOS EUS (v.9.4) |
cpe:/o:redhat:rhel_eus:9.4::baseos |
|
| Red Hat | Red Hat Enterprise Linux BaseOS EUS (v.9.6) |
cpe:/o:redhat:rhel_eus:9.6::baseos |
|
| Red Hat | Red Hat Enterprise Linux BaseOS (v. 9) |
cpe:/o:redhat:enterprise_linux:9::baseos |
|
| Red Hat | Red Hat Enterprise Linux CodeReady Linux Builder EUS (v. 10.0) |
cpe:/o:redhat:enterprise_linux_eus:10.0 |
|
| Red Hat | Red Hat Enterprise Linux CodeReady Linux Builder (v. 10) |
cpe:/o:redhat:enterprise_linux:10.1 cpe:/o:redhat:enterprise_linux:10.2 |
|
| Red Hat | Red Hat Enterprise Linux CRB (v. 8) |
cpe:/a:redhat:enterprise_linux:8::crb |
|
| Red Hat | Red Hat CodeReady Linux Builder EUS (v.9.4) |
cpe:/a:redhat:rhel_eus:9.4::crb |
|
| Red Hat | Red Hat CodeReady Linux Builder EUS (v.9.6) |
cpe:/a:redhat:rhel_eus:9.6::crb |
|
| Red Hat | Red Hat Enterprise Linux CodeReady Linux Builder (v. 9) |
cpe:/a:redhat:enterprise_linux:9::crb |
|
| Red Hat | Red Hat Enterprise Linux Real Time for NFV EUS (v. 10.0) |
cpe:/o:redhat:enterprise_linux_eus:10.0 |
|
| Red Hat | Red Hat Enterprise Linux Real Time for NFV (v. 10) |
cpe:/o:redhat:enterprise_linux:10.1 cpe:/o:redhat:enterprise_linux:10.2 |
|
| Red Hat | Red Hat Enterprise Linux NFV (v. 8) |
cpe:/a:redhat:enterprise_linux:8::nfv |
|
| Red Hat | Red Hat Enterprise Linux NFV E4S (v.9.0) |
cpe:/a:redhat:rhel_e4s:9.0::nfv |
|
| Red Hat | Red Hat Enterprise Linux Real Time for NFV E4S (v.9.2) |
cpe:/a:redhat:rhel_e4s:9.2::nfv |
|
| Red Hat | Red Hat Enterprise Linux Real Time for NFV EUS (v.9.4) |
cpe:/a:redhat:rhel_eus:9.4::nfv |
|
| Red Hat | Red Hat Enterprise Linux Real Time for NFV EUS (v.9.6) |
cpe:/a:redhat:rhel_eus:9.6::nfv |
|
| Red Hat | Red Hat Enterprise Linux Real Time for NFV (v. 9) |
cpe:/a:redhat:enterprise_linux:9::nfv |
|
| Red Hat | Red Hat Enterprise Linux Real Time EUS (v. 10.0) |
cpe:/o:redhat:enterprise_linux_eus:10.0 |
|
| Red Hat | Red Hat Enterprise Linux Real Time (v. 10) |
cpe:/o:redhat:enterprise_linux:10.1 cpe:/o:redhat:enterprise_linux:10.2 |
|
| Red Hat | Red Hat Enterprise Linux RT (v. 8) |
cpe:/a:redhat:enterprise_linux:8::realtime |
|
| Red Hat | Red Hat Enterprise Linux Real Time E4S (v.9.0) |
cpe:/a:redhat:rhel_e4s:9.0::realtime |
|
| Red Hat | Red Hat Enterprise Linux Real Time E4S (v.9.2) |
cpe:/a:redhat:rhel_e4s:9.2::realtime |
|
| Red Hat | Red Hat Enterprise Linux Real Time EUS (v.9.4) |
cpe:/a:redhat:rhel_eus:9.4::realtime |
|
| Red Hat | Red Hat Enterprise Linux Real Time EUS (v.9.6) |
cpe:/a:redhat:rhel_eus:9.6::realtime |
|
| Red Hat | Red Hat Enterprise Linux Real Time (v. 9) |
cpe:/a:redhat:enterprise_linux:9::realtime |
|
| Red Hat | Red Hat Enterprise Linux 6 |
cpe:/o:redhat:enterprise_linux:6 |
|
| Red Hat | Red Hat Enterprise Linux 7 |
cpe:/o:redhat:enterprise_linux:7 |
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-31431",
"options": [
{
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{
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{
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"url": "https://xint.io/blog/copy-fail-linux-distributions#the-fix-6"
},
{
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"url": "https://lore.kernel.org/linux-cve-announce/2026042214-CVE-2026-31431-3d65@gregkh/"
},
{
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"url": "https://access.redhat.com/security/cve/cve-2026-31431#cve-details-mitigation"
},
{
"tags": [
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"url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-31431"
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"timeline": [
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"time": "2026-05-01T00:00:00.000Z",
"value": "CVE-2026-31431 added to CISA KEV"
}
],
"title": "CISA ADP Vulnrichment"
},
{
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"orgId": "af854a3a-2127-422b-91ae-364da2661108",
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{
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{
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},
{
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},
{
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},
{
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},
{
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},
{
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},
{
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},
{
"url": "http://www.openwall.com/lists/oss-security/2026/05/04/27"
},
{
"url": "http://www.openwall.com/lists/oss-security/2026/05/04/28"
},
{
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},
{
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},
{
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},
{
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},
{
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},
{
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},
{
"url": "https://www.kb.cert.org/vuls/id/260001"
},
{
"url": "http://www.openwall.com/lists/oss-security/2026/05/18/3"
}
],
"title": "CVE Program Container"
},
{
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{
"defaultStatus": "unknown",
"product": "SIMATIC S7-1500 CPU 1518-4 PN/DP MFP",
"vendor": "Siemens",
"versions": [
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{
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"vendor": "Siemens",
"versions": [
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},
{
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CVE-2026-31532 (GCVE-0-2026-31532)
Vulnerability from cvelistv5 – Published: 2026-04-23 11:12 – Updated: 2026-06-14 17:41
VLAI
EPSS
Title
can: raw: fix ro->uniq use-after-free in raw_rcv()
Summary
In the Linux kernel, the following vulnerability has been resolved:
can: raw: fix ro->uniq use-after-free in raw_rcv()
raw_release() unregisters raw CAN receive filters via can_rx_unregister(),
but receiver deletion is deferred with call_rcu(). This leaves a window
where raw_rcv() may still be running in an RCU read-side critical section
after raw_release() frees ro->uniq, leading to a use-after-free of the
percpu uniq storage.
Move free_percpu(ro->uniq) out of raw_release() and into a raw-specific
socket destructor. can_rx_unregister() takes an extra reference to the
socket and only drops it from the RCU callback, so freeing uniq from
sk_destruct ensures the percpu area is not released until the relevant
callbacks have drained.
[mkl: applied manually]
Severity
7.8 (High)
Assigner
References
9 references
| URL | Tags |
|---|---|
| https://git.kernel.org/stable/c/1de30576a6dfeaaa2… | |
| https://git.kernel.org/stable/c/64c8553decf5a5f24… | |
| https://git.kernel.org/stable/c/3f43f12fde34737fb… | |
| https://git.kernel.org/stable/c/5e9cfffad898bbeaa… | |
| https://git.kernel.org/stable/c/572f0bf536ebc14f6… | |
| https://git.kernel.org/stable/c/1a0f2de81f7fbdc53… | |
| https://git.kernel.org/stable/c/7201a531b9a5ed892… | |
| https://git.kernel.org/stable/c/34c1741254ff972e8… | |
| https://git.kernel.org/stable/c/a535a9217ca3f2fcc… |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux |
Affected:
514ac99c64b22d83b52dfee3b8becaa69a92bc4a , < 1de30576a6dfeaaa27ef91fa272e6b9240b6fbd3
(git)
Affected: 514ac99c64b22d83b52dfee3b8becaa69a92bc4a , < 64c8553decf5a5f2417bd54761ea0a832c56c4ca (git) Affected: 514ac99c64b22d83b52dfee3b8becaa69a92bc4a , < 3f43f12fde34737fba091b7e3ab391e14ddbb0be (git) Affected: 514ac99c64b22d83b52dfee3b8becaa69a92bc4a , < 5e9cfffad898bbeaafd0ea608a6d267362f050fc (git) Affected: 514ac99c64b22d83b52dfee3b8becaa69a92bc4a , < 572f0bf536ebc14f6e7da3d21a85cf076de8358e (git) Affected: 514ac99c64b22d83b52dfee3b8becaa69a92bc4a , < 1a0f2de81f7fbdc538fc72d7d74609b79bc83cc0 (git) Affected: 514ac99c64b22d83b52dfee3b8becaa69a92bc4a , < 7201a531b9a5ed892bfda5ded9194ef622de8ffa (git) Affected: 514ac99c64b22d83b52dfee3b8becaa69a92bc4a , < 34c1741254ff972e8375faf176678a248826fe3a (git) Affected: 514ac99c64b22d83b52dfee3b8becaa69a92bc4a , < a535a9217ca3f2fccedaafb2fddb4c48f27d36dc (git) |
|
| Linux | Linux |
Affected:
4.1
Unaffected: 0 , < 4.1 (semver) Unaffected: 5.10.258 , ≤ 5.10.* (semver) Unaffected: 5.15.209 , ≤ 5.15.* (semver) Unaffected: 6.1.175 , ≤ 6.1.* (semver) Unaffected: 6.6.136 , ≤ 6.6.* (semver) Unaffected: 6.12.83 , ≤ 6.12.* (semver) Unaffected: 6.18.24 , ≤ 6.18.* (semver) Unaffected: 6.19.14 , ≤ 6.19.* (semver) Unaffected: 7.0.1 , ≤ 7.0.* (semver) Unaffected: 7.1 , ≤ * (original_commit_for_fix) |
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "5.15.209",
"versionStartIncluding": "4.1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.1.175",
"versionStartIncluding": "4.1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.6.136",
"versionStartIncluding": "4.1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.12.83",
"versionStartIncluding": "4.1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.18.24",
"versionStartIncluding": "4.1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.19.14",
"versionStartIncluding": "4.1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "7.0.1",
"versionStartIncluding": "4.1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "7.1",
"versionStartIncluding": "4.1",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncan: raw: fix ro-\u003euniq use-after-free in raw_rcv()\n\nraw_release() unregisters raw CAN receive filters via can_rx_unregister(),\nbut receiver deletion is deferred with call_rcu(). This leaves a window\nwhere raw_rcv() may still be running in an RCU read-side critical section\nafter raw_release() frees ro-\u003euniq, leading to a use-after-free of the\npercpu uniq storage.\n\nMove free_percpu(ro-\u003euniq) out of raw_release() and into a raw-specific\nsocket destructor. can_rx_unregister() takes an extra reference to the\nsocket and only drops it from the RCU callback, so freeing uniq from\nsk_destruct ensures the percpu area is not released until the relevant\ncallbacks have drained.\n\n[mkl: applied manually]"
}
],
"metrics": [
{
"cvssV3_1": {
"baseScore": 7.8,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-06-14T17:41:55.666Z",
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux"
},
"references": [
{
"url": "https://git.kernel.org/stable/c/1de30576a6dfeaaa27ef91fa272e6b9240b6fbd3"
},
{
"url": "https://git.kernel.org/stable/c/64c8553decf5a5f2417bd54761ea0a832c56c4ca"
},
{
"url": "https://git.kernel.org/stable/c/3f43f12fde34737fba091b7e3ab391e14ddbb0be"
},
{
"url": "https://git.kernel.org/stable/c/5e9cfffad898bbeaafd0ea608a6d267362f050fc"
},
{
"url": "https://git.kernel.org/stable/c/572f0bf536ebc14f6e7da3d21a85cf076de8358e"
},
{
"url": "https://git.kernel.org/stable/c/1a0f2de81f7fbdc538fc72d7d74609b79bc83cc0"
},
{
"url": "https://git.kernel.org/stable/c/7201a531b9a5ed892bfda5ded9194ef622de8ffa"
},
{
"url": "https://git.kernel.org/stable/c/34c1741254ff972e8375faf176678a248826fe3a"
},
{
"url": "https://git.kernel.org/stable/c/a535a9217ca3f2fccedaafb2fddb4c48f27d36dc"
}
],
"title": "can: raw: fix ro-\u003euniq use-after-free in raw_rcv()",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"assignerShortName": "Linux",
"cveId": "CVE-2026-31532",
"datePublished": "2026-04-23T11:12:44.829Z",
"dateReserved": "2026-03-09T15:48:24.112Z",
"dateUpdated": "2026-06-14T17:41:55.666Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
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Trend slope:
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(linear fit over daily sighting counts)
Show additional events:
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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