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CERTFR-2026-AVI-0521
Vulnerability from certfr_avis - Published: 2026-04-30 - Updated: 2026-04-30
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 | Red Hat Enterprise Linux | Red Hat Enterprise Linux for x86_64 - Extended Life Cycle 9.6 x86_64 | ||
| Red Hat | Red Hat Enterprise Linux | Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 10.0 s390x | ||
| Red Hat | Red Hat CodeReady Linux Builder | Red Hat CodeReady Linux Builder for IBM z Systems - Extended Update Support 10.0 s390x | ||
| Red Hat | Red Hat Enterprise Linux | Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle 9.6 ppc64le | ||
| Red Hat | Red Hat Enterprise Linux | Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 9.6 s390x | ||
| Red Hat | Red Hat Enterprise Linux | Red Hat Enterprise Linux for x86_64 - Extended Update Support 10.0 x86_64 | ||
| Red Hat | Red Hat Enterprise Linux | Red Hat Enterprise Linux for x86_64 - 4 years of updates 10.0 x86_64 | ||
| Red Hat | Red Hat CodeReady Linux Builder | Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support 10.0 ppc64le | ||
| Red Hat | Red Hat Enterprise Linux Server | Red Hat Enterprise Linux Server - AUS 9.6 x86_64 | ||
| Red Hat | Red Hat Enterprise Linux | Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle 9.6 s390x | ||
| Red Hat | Red Hat Enterprise Linux | Red Hat Enterprise Linux for Power, little endian - 4 years of support 10.0 ppc64le | ||
| Red Hat | Red Hat Enterprise Linux | Red Hat Enterprise Linux for x86_64 - Extended Update Support 9.6 x86_64 | ||
| Red Hat | Red Hat Enterprise Linux Server | Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 9.6 ppc64le | ||
| Red Hat | Red Hat Enterprise Linux | Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle 9.6 aarch64 | ||
| Red Hat | Red Hat Enterprise Linux | Red Hat Enterprise Linux for ARM 64 - 4 years of updates 9.6 aarch64 | ||
| Red Hat | Red Hat CodeReady Linux Builder | Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support 9.6 ppc64le | ||
| Red Hat | Red Hat Enterprise Linux | Red Hat Enterprise Linux for IBM z Systems - 4 years of updates 9.6 s390x | ||
| Red Hat | Red Hat Enterprise Linux | Red Hat Enterprise Linux for Real Time for x86_64 - Extended Life Cycle Support 7 x86_64 | ||
| Red Hat | Red Hat Enterprise Linux | Red Hat Enterprise Linux for Power, little endian - Extended Update Support 10.0 ppc64le | ||
| Red Hat | Red Hat CodeReady Linux Builder | Red Hat CodeReady Linux Builder for IBM z Systems - Extended Update Support 9.6 s390x | ||
| Red Hat | Red Hat Enterprise Linux | Red Hat Enterprise Linux for ARM 64 - Extended Update Support 9.6 aarch64 | ||
| Red Hat | Red Hat Enterprise Linux | Red Hat Enterprise Linux for Power, little endian - Extended Update Support 9.6 ppc64le | ||
| Red Hat | Red Hat CodeReady Linux Builder | Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support 10.0 aarch64 | ||
| Red Hat | Red Hat Enterprise Linux | Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 9.6 x86_64 | ||
| Red Hat | Red Hat Enterprise Linux | Red Hat Enterprise Linux for IBM z Systems - 4 years of updates 10.0 s390x | ||
| Red Hat | Red Hat CodeReady Linux Builder | Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support 10.0 x86_64 | ||
| Red Hat | Red Hat CodeReady Linux Builder | Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support 9.6 aarch64 | ||
| Red Hat | Red Hat CodeReady Linux Builder | Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support 9.6 x86_64 | ||
| Red Hat | Red Hat Enterprise Linux | Red Hat Enterprise Linux for ARM 64 - 4 years of updates 10.0 aarch64 | ||
| Red Hat | Red Hat Enterprise Linux | Red Hat Enterprise Linux for ARM 64 - Extended Update Support 10.0 aarch64 |
References
| Title | Publication Time | Tags | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||
{
"$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
"affected_systems": [
{
"description": "Red Hat Enterprise Linux for x86_64 - Extended Life Cycle 9.6 x86_64",
"product": {
"name": "Red Hat Enterprise Linux",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 10.0 s390x",
"product": {
"name": "Red Hat Enterprise Linux",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat CodeReady Linux Builder for IBM z Systems - Extended Update Support 10.0 s390x",
"product": {
"name": "Red Hat CodeReady Linux Builder",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle 9.6 ppc64le",
"product": {
"name": "Red Hat Enterprise Linux",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 9.6 s390x",
"product": {
"name": "Red Hat Enterprise Linux",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for x86_64 - Extended Update Support 10.0 x86_64",
"product": {
"name": "Red Hat Enterprise Linux",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for x86_64 - 4 years of updates 10.0 x86_64",
"product": {
"name": "Red Hat Enterprise Linux",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support 10.0 ppc64le",
"product": {
"name": "Red Hat CodeReady Linux Builder",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux Server - AUS 9.6 x86_64",
"product": {
"name": "Red Hat Enterprise Linux Server",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle 9.6 s390x",
"product": {
"name": "Red Hat Enterprise Linux",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for Power, little endian - 4 years of support 10.0 ppc64le",
"product": {
"name": "Red Hat Enterprise Linux",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for x86_64 - Extended Update Support 9.6 x86_64",
"product": {
"name": "Red Hat Enterprise Linux",
"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": "Red Hat Enterprise Linux Server",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle 9.6 aarch64",
"product": {
"name": "Red Hat Enterprise Linux",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for ARM 64 - 4 years of updates 9.6 aarch64",
"product": {
"name": "Red Hat Enterprise Linux",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support 9.6 ppc64le",
"product": {
"name": "Red Hat CodeReady Linux Builder",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for IBM z Systems - 4 years of updates 9.6 s390x",
"product": {
"name": "Red Hat Enterprise Linux",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for Real Time for x86_64 - Extended Life Cycle Support 7 x86_64",
"product": {
"name": "Red Hat Enterprise Linux",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for Power, little endian - Extended Update Support 10.0 ppc64le",
"product": {
"name": "Red Hat Enterprise Linux",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat CodeReady Linux Builder for IBM z Systems - Extended Update Support 9.6 s390x",
"product": {
"name": "Red Hat CodeReady Linux Builder",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for ARM 64 - Extended Update Support 9.6 aarch64",
"product": {
"name": "Red Hat Enterprise Linux",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for Power, little endian - Extended Update Support 9.6 ppc64le",
"product": {
"name": "Red Hat Enterprise Linux",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support 10.0 aarch64",
"product": {
"name": "Red Hat CodeReady Linux Builder",
"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": "Red Hat Enterprise Linux",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for IBM z Systems - 4 years of updates 10.0 s390x",
"product": {
"name": "Red Hat Enterprise Linux",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support 10.0 x86_64",
"product": {
"name": "Red Hat CodeReady Linux Builder",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support 9.6 aarch64",
"product": {
"name": "Red Hat CodeReady Linux Builder",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support 9.6 x86_64",
"product": {
"name": "Red Hat CodeReady Linux Builder",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for ARM 64 - 4 years of updates 10.0 aarch64",
"product": {
"name": "Red Hat Enterprise Linux",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for ARM 64 - Extended Update Support 10.0 aarch64",
"product": {
"name": "Red Hat Enterprise Linux",
"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-2025-38024",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-38024"
},
{
"name": "CVE-2026-23204",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-23204"
},
{
"name": "CVE-2026-23216",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-23216"
},
{
"name": "CVE-2023-53539",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-53539"
},
{
"name": "CVE-2026-23001",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-23001"
},
{
"name": "CVE-2026-23193",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-23193"
},
{
"name": "CVE-2022-50053",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-50053"
},
{
"name": "CVE-2025-38180",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-38180"
},
{
"name": "CVE-2026-23111",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-23111"
},
{
"name": "CVE-2026-23097",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-23097"
},
{
"name": "CVE-2026-23231",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-23231"
},
{
"name": "CVE-2025-71238",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-71238"
}
],
"initial_release_date": "2026-04-30T00:00:00",
"last_revision_date": "2026-04-30T00:00:00",
"links": [],
"reference": "CERTFR-2026-AVI-0521",
"revisions": [
{
"description": "Version initiale",
"revision_date": "2026-04-30T00:00:00.000000"
}
],
"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": "\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": "2026-04-27",
"title": "Bulletin de s\u00e9curit\u00e9 Red Hat RHSA-2026:10996",
"url": "https://access.redhat.com/errata/RHSA-2026:10996"
},
{
"published_at": "2026-04-27",
"title": "Bulletin de s\u00e9curit\u00e9 Red Hat RHSA-2026:10756",
"url": "https://access.redhat.com/errata/RHSA-2026:10756"
},
{
"published_at": "2026-04-28",
"title": "Bulletin de s\u00e9curit\u00e9 Red Hat RHSA-2026:11313",
"url": "https://access.redhat.com/errata/RHSA-2026:11313"
}
]
}
CVE-2025-68741 (GCVE-0-2025-68741)
Vulnerability from cvelistv5 – Published: 2025-12-24 12:09 – Updated: 2026-02-09 08:32
VLAI?
EPSS
Title
scsi: qla2xxx: Fix improper freeing of purex item
Summary
In the Linux kernel, the following vulnerability has been resolved:
scsi: qla2xxx: Fix improper freeing of purex item
In qla2xxx_process_purls_iocb(), an item is allocated via
qla27xx_copy_multiple_pkt(), which internally calls
qla24xx_alloc_purex_item().
The qla24xx_alloc_purex_item() function may return a pre-allocated item
from a per-adapter pool for small allocations, instead of dynamically
allocating memory with kzalloc().
An error handling path in qla2xxx_process_purls_iocb() incorrectly uses
kfree() to release the item. If the item was from the pre-allocated
pool, calling kfree() on it is a bug that can lead to memory corruption.
Fix this by using the correct deallocation function,
qla24xx_free_purex_item(), which properly handles both dynamically
allocated and pre-allocated items.
Severity ?
No CVSS data available.
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Affected:
875386b98857822b77ac7f95bdf367b70af5b78c , < 4bccd506a1f1ab01d1f45b2a3effff6bedc73cf9
(git)
Affected: 875386b98857822b77ac7f95bdf367b70af5b78c , < 8e9f0a0717ba31d5842721627ade1e62d7aec012 (git) Affected: 875386b98857822b77ac7f95bdf367b70af5b78c , < cfe3e2f768d248fd3d965d561d0768a56dd0b9f8 (git) Affected: 875386b98857822b77ac7f95bdf367b70af5b78c , < 5fa1c8226b4532ad7011d295d3ab4ad45df105ae (git) Affected: 875386b98857822b77ac7f95bdf367b70af5b78c , < 78b1a242fe612a755f2158fd206ee6bb577d18ca (git) |
||
{
"containers": {
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "Linux",
"programFiles": [
"drivers/scsi/qla2xxx/qla_nvme.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"lessThan": "4bccd506a1f1ab01d1f45b2a3effff6bedc73cf9",
"status": "affected",
"version": "875386b98857822b77ac7f95bdf367b70af5b78c",
"versionType": "git"
},
{
"lessThan": "8e9f0a0717ba31d5842721627ade1e62d7aec012",
"status": "affected",
"version": "875386b98857822b77ac7f95bdf367b70af5b78c",
"versionType": "git"
},
{
"lessThan": "cfe3e2f768d248fd3d965d561d0768a56dd0b9f8",
"status": "affected",
"version": "875386b98857822b77ac7f95bdf367b70af5b78c",
"versionType": "git"
},
{
"lessThan": "5fa1c8226b4532ad7011d295d3ab4ad45df105ae",
"status": "affected",
"version": "875386b98857822b77ac7f95bdf367b70af5b78c",
"versionType": "git"
},
{
"lessThan": "78b1a242fe612a755f2158fd206ee6bb577d18ca",
"status": "affected",
"version": "875386b98857822b77ac7f95bdf367b70af5b78c",
"versionType": "git"
}
]
},
{
"defaultStatus": "affected",
"product": "Linux",
"programFiles": [
"drivers/scsi/qla2xxx/qla_nvme.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"status": "affected",
"version": "6.6"
},
{
"lessThan": "6.6",
"status": "unaffected",
"version": "0",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.6.*",
"status": "unaffected",
"version": "6.6.120",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.12.*",
"status": "unaffected",
"version": "6.12.63",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.17.*",
"status": "unaffected",
"version": "6.17.13",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.18.*",
"status": "unaffected",
"version": "6.18.2",
"versionType": "semver"
},
{
"lessThanOrEqual": "*",
"status": "unaffected",
"version": "6.19",
"versionType": "original_commit_for_fix"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.6.120",
"versionStartIncluding": "6.6",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.12.63",
"versionStartIncluding": "6.6",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.17.13",
"versionStartIncluding": "6.6",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.18.2",
"versionStartIncluding": "6.6",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.19",
"versionStartIncluding": "6.6",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: qla2xxx: Fix improper freeing of purex item\n\nIn qla2xxx_process_purls_iocb(), an item is allocated via\nqla27xx_copy_multiple_pkt(), which internally calls\nqla24xx_alloc_purex_item().\n\nThe qla24xx_alloc_purex_item() function may return a pre-allocated item\nfrom a per-adapter pool for small allocations, instead of dynamically\nallocating memory with kzalloc().\n\nAn error handling path in qla2xxx_process_purls_iocb() incorrectly uses\nkfree() to release the item. If the item was from the pre-allocated\npool, calling kfree() on it is a bug that can lead to memory corruption.\n\nFix this by using the correct deallocation function,\nqla24xx_free_purex_item(), which properly handles both dynamically\nallocated and pre-allocated items."
}
],
"providerMetadata": {
"dateUpdated": "2026-02-09T08:32:45.301Z",
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux"
},
"references": [
{
"url": "https://git.kernel.org/stable/c/4bccd506a1f1ab01d1f45b2a3effff6bedc73cf9"
},
{
"url": "https://git.kernel.org/stable/c/8e9f0a0717ba31d5842721627ade1e62d7aec012"
},
{
"url": "https://git.kernel.org/stable/c/cfe3e2f768d248fd3d965d561d0768a56dd0b9f8"
},
{
"url": "https://git.kernel.org/stable/c/5fa1c8226b4532ad7011d295d3ab4ad45df105ae"
},
{
"url": "https://git.kernel.org/stable/c/78b1a242fe612a755f2158fd206ee6bb577d18ca"
}
],
"title": "scsi: qla2xxx: Fix improper freeing of purex item",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"assignerShortName": "Linux",
"cveId": "CVE-2025-68741",
"datePublished": "2025-12-24T12:09:38.655Z",
"dateReserved": "2025-12-24T10:30:51.030Z",
"dateUpdated": "2026-02-09T08:32:45.301Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-23001 (GCVE-0-2026-23001)
Vulnerability from cvelistv5 – Published: 2026-01-25 14:36 – Updated: 2026-04-27 14:02
VLAI?
EPSS
Title
macvlan: fix possible UAF in macvlan_forward_source()
Summary
In the Linux kernel, the following vulnerability has been resolved:
macvlan: fix possible UAF in macvlan_forward_source()
Add RCU protection on (struct macvlan_source_entry)->vlan.
Whenever macvlan_hash_del_source() is called, we must clear
entry->vlan pointer before RCU grace period starts.
This allows macvlan_forward_source() to skip over
entries queued for freeing.
Note that macvlan_dev are already RCU protected, as they
are embedded in a standard netdev (netdev_priv(ndev)).
https: //lore.kernel.org/netdev/695fb1e8.050a0220.1c677c.039f.GAE@google.com/T/#u
Severity ?
7.8 (High)
Assigner
References
Impacted products
| Vendor | Product | Version | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Linux | Linux |
Affected:
79cf79abce71eb7dbc40e2f3121048ca5405cb47 , < 8133e85b8a3ec9f10d861e0002ec6037256e987e
(git)
Affected: 79cf79abce71eb7dbc40e2f3121048ca5405cb47 , < 484919832e2db6ce1e8add92c469e5d459a516b5 (git) Affected: 79cf79abce71eb7dbc40e2f3121048ca5405cb47 , < 232afc74a6dde0fe1830988e5827921f5ec9bb3f (git) Affected: 79cf79abce71eb7dbc40e2f3121048ca5405cb47 , < 15f6faf36e162532bec5cc05eb3fc622108bf2ed (git) Affected: 79cf79abce71eb7dbc40e2f3121048ca5405cb47 , < 8518712a2ca952d6da2238c6f0a16b4ae5ea3f13 (git) Affected: 79cf79abce71eb7dbc40e2f3121048ca5405cb47 , < 6dbead9c7677186f22b7981dd085a0feec1f038e (git) Affected: 79cf79abce71eb7dbc40e2f3121048ca5405cb47 , < 7470a7a63dc162f07c26dbf960e41ee1e248d80e (git) |
|||||||
|
|||||||||
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CVE-2026-23097 (GCVE-0-2026-23097)
Vulnerability from cvelistv5 – Published: 2026-02-04 16:08 – Updated: 2026-02-09 08:38
VLAI?
EPSS
Title
migrate: correct lock ordering for hugetlb file folios
Summary
In the Linux kernel, the following vulnerability has been resolved:
migrate: correct lock ordering for hugetlb file folios
Syzbot has found a deadlock (analyzed by Lance Yang):
1) Task (5749): Holds folio_lock, then tries to acquire i_mmap_rwsem(read lock).
2) Task (5754): Holds i_mmap_rwsem(write lock), then tries to acquire
folio_lock.
migrate_pages()
-> migrate_hugetlbs()
-> unmap_and_move_huge_page() <- Takes folio_lock!
-> remove_migration_ptes()
-> __rmap_walk_file()
-> i_mmap_lock_read() <- Waits for i_mmap_rwsem(read lock)!
hugetlbfs_fallocate()
-> hugetlbfs_punch_hole() <- Takes i_mmap_rwsem(write lock)!
-> hugetlbfs_zero_partial_page()
-> filemap_lock_hugetlb_folio()
-> filemap_lock_folio()
-> __filemap_get_folio <- Waits for folio_lock!
The migration path is the one taking locks in the wrong order according to
the documentation at the top of mm/rmap.c. So expand the scope of the
existing i_mmap_lock to cover the calls to remove_migration_ptes() too.
This is (mostly) how it used to be after commit c0d0381ade79. That was
removed by 336bf30eb765 for both file & anon hugetlb pages when it should
only have been removed for anon hugetlb pages.
Severity ?
No CVSS data available.
Assigner
References
| URL | Tags | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Linux | Linux |
Affected:
336bf30eb76580b579dc711ded5d599d905c0217 , < e7396d23f9d5739f56cf9ab430c3a169f5508394
(git)
Affected: 336bf30eb76580b579dc711ded5d599d905c0217 , < ad97b9a55246eb940a26ac977f80892a395cabf9 (git) Affected: 336bf30eb76580b579dc711ded5d599d905c0217 , < 5edb9854f8df5428b40990a1c7d60507da5bd330 (git) Affected: 336bf30eb76580b579dc711ded5d599d905c0217 , < 526394af4e8ade89cacd1a9ce2b97712712fcc34 (git) Affected: 336bf30eb76580b579dc711ded5d599d905c0217 , < b75070823b89009f5123fd0e05a8e0c3d39937c1 (git) Affected: 336bf30eb76580b579dc711ded5d599d905c0217 , < 1b68efce6dd483d22f50d0d3800c4cfda14b1305 (git) Affected: 336bf30eb76580b579dc711ded5d599d905c0217 , < b7880cb166ab62c2409046b2347261abf701530e (git) Affected: ef792d6ce0db6a56e56743b1de1716a982c3b851 (git) |
|||||||
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CVE-2022-50053 (GCVE-0-2022-50053)
Vulnerability from cvelistv5 – Published: 2025-06-18 11:01 – Updated: 2025-06-18 11:01
VLAI?
EPSS
Title
iavf: Fix reset error handling
Summary
In the Linux kernel, the following vulnerability has been resolved:
iavf: Fix reset error handling
Do not call iavf_close in iavf_reset_task error handling. Doing so can
lead to double call of napi_disable, which can lead to deadlock there.
Removing VF would lead to iavf_remove task being stuck, because it
requires crit_lock, which is held by iavf_close.
Call iavf_disable_vf if reset fail, so that driver will clean up
remaining invalid resources.
During rapid VF resets, HW can fail to setup VF mailbox. Wrong
error handling can lead to iavf_remove being stuck with:
[ 5218.999087] iavf 0000:82:01.0: Failed to init adminq: -53
...
[ 5267.189211] INFO: task repro.sh:11219 blocked for more than 30 seconds.
[ 5267.189520] Tainted: G S E 5.18.0-04958-ga54ce3703613-dirty #1
[ 5267.189764] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 5267.190062] task:repro.sh state:D stack: 0 pid:11219 ppid: 8162 flags:0x00000000
[ 5267.190347] Call Trace:
[ 5267.190647] <TASK>
[ 5267.190927] __schedule+0x460/0x9f0
[ 5267.191264] schedule+0x44/0xb0
[ 5267.191563] schedule_preempt_disabled+0x14/0x20
[ 5267.191890] __mutex_lock.isra.12+0x6e3/0xac0
[ 5267.192237] ? iavf_remove+0xf9/0x6c0 [iavf]
[ 5267.192565] iavf_remove+0x12a/0x6c0 [iavf]
[ 5267.192911] ? _raw_spin_unlock_irqrestore+0x1e/0x40
[ 5267.193285] pci_device_remove+0x36/0xb0
[ 5267.193619] device_release_driver_internal+0xc1/0x150
[ 5267.193974] pci_stop_bus_device+0x69/0x90
[ 5267.194361] pci_stop_and_remove_bus_device+0xe/0x20
[ 5267.194735] pci_iov_remove_virtfn+0xba/0x120
[ 5267.195130] sriov_disable+0x2f/0xe0
[ 5267.195506] ice_free_vfs+0x7d/0x2f0 [ice]
[ 5267.196056] ? pci_get_device+0x4f/0x70
[ 5267.196496] ice_sriov_configure+0x78/0x1a0 [ice]
[ 5267.196995] sriov_numvfs_store+0xfe/0x140
[ 5267.197466] kernfs_fop_write_iter+0x12e/0x1c0
[ 5267.197918] new_sync_write+0x10c/0x190
[ 5267.198404] vfs_write+0x24e/0x2d0
[ 5267.198886] ksys_write+0x5c/0xd0
[ 5267.199367] do_syscall_64+0x3a/0x80
[ 5267.199827] entry_SYSCALL_64_after_hwframe+0x46/0xb0
[ 5267.200317] RIP: 0033:0x7f5b381205c8
[ 5267.200814] RSP: 002b:00007fff8c7e8c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 5267.201981] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f5b381205c8
[ 5267.202620] RDX: 0000000000000002 RSI: 00005569420ee900 RDI: 0000000000000001
[ 5267.203426] RBP: 00005569420ee900 R08: 000000000000000a R09: 00007f5b38180820
[ 5267.204327] R10: 000000000000000a R11: 0000000000000246 R12: 00007f5b383c06e0
[ 5267.205193] R13: 0000000000000002 R14: 00007f5b383bb880 R15: 0000000000000002
[ 5267.206041] </TASK>
[ 5267.206970] Kernel panic - not syncing: hung_task: blocked tasks
[ 5267.207809] CPU: 48 PID: 551 Comm: khungtaskd Kdump: loaded Tainted: G S E 5.18.0-04958-ga54ce3703613-dirty #1
[ 5267.208726] Hardware name: Dell Inc. PowerEdge R730/0WCJNT, BIOS 2.11.0 11/02/2019
[ 5267.209623] Call Trace:
[ 5267.210569] <TASK>
[ 5267.211480] dump_stack_lvl+0x33/0x42
[ 5267.212472] panic+0x107/0x294
[ 5267.213467] watchdog.cold.8+0xc/0xbb
[ 5267.214413] ? proc_dohung_task_timeout_secs+0x30/0x30
[ 5267.215511] kthread+0xf4/0x120
[ 5267.216459] ? kthread_complete_and_exit+0x20/0x20
[ 5267.217505] ret_from_fork+0x22/0x30
[ 5267.218459] </TASK>
Severity ?
No CVSS data available.
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Affected:
f0db78928783f0a4cce4940e8c03c2e9a760e629 , < 743dc4377bbac06a6fe44c3c5baf75a49439678a
(git)
Affected: f0db78928783f0a4cce4940e8c03c2e9a760e629 , < 0828e27971f18ea317710acb228afe6e72606082 (git) Affected: f0db78928783f0a4cce4940e8c03c2e9a760e629 , < 31071173771e079f7bc08dacd61e0db913262fbf (git) |
||
{
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{
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"programFiles": [
"drivers/net/ethernet/intel/iavf/iavf_main.c"
],
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"vendor": "Linux",
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"versionType": "git"
},
{
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"status": "affected",
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"versionType": "git"
},
{
"lessThan": "31071173771e079f7bc08dacd61e0db913262fbf",
"status": "affected",
"version": "f0db78928783f0a4cce4940e8c03c2e9a760e629",
"versionType": "git"
}
]
},
{
"defaultStatus": "affected",
"product": "Linux",
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"drivers/net/ethernet/intel/iavf/iavf_main.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"status": "affected",
"version": "4.14"
},
{
"lessThan": "4.14",
"status": "unaffected",
"version": "0",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.15.*",
"status": "unaffected",
"version": "5.15.63",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.19.*",
"status": "unaffected",
"version": "5.19.4",
"versionType": "semver"
},
{
"lessThanOrEqual": "*",
"status": "unaffected",
"version": "6.0",
"versionType": "original_commit_for_fix"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"vulnerable": true
},
{
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{
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}
],
"negate": false,
"operator": "OR"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\niavf: Fix reset error handling\n\nDo not call iavf_close in iavf_reset_task error handling. Doing so can\nlead to double call of napi_disable, which can lead to deadlock there.\nRemoving VF would lead to iavf_remove task being stuck, because it\nrequires crit_lock, which is held by iavf_close.\nCall iavf_disable_vf if reset fail, so that driver will clean up\nremaining invalid resources.\nDuring rapid VF resets, HW can fail to setup VF mailbox. Wrong\nerror handling can lead to iavf_remove being stuck with:\n[ 5218.999087] iavf 0000:82:01.0: Failed to init adminq: -53\n...\n[ 5267.189211] INFO: task repro.sh:11219 blocked for more than 30 seconds.\n[ 5267.189520] Tainted: G S E 5.18.0-04958-ga54ce3703613-dirty #1\n[ 5267.189764] \"echo 0 \u003e /proc/sys/kernel/hung_task_timeout_secs\" disables this message.\n[ 5267.190062] task:repro.sh state:D stack: 0 pid:11219 ppid: 8162 flags:0x00000000\n[ 5267.190347] Call Trace:\n[ 5267.190647] \u003cTASK\u003e\n[ 5267.190927] __schedule+0x460/0x9f0\n[ 5267.191264] schedule+0x44/0xb0\n[ 5267.191563] schedule_preempt_disabled+0x14/0x20\n[ 5267.191890] __mutex_lock.isra.12+0x6e3/0xac0\n[ 5267.192237] ? iavf_remove+0xf9/0x6c0 [iavf]\n[ 5267.192565] iavf_remove+0x12a/0x6c0 [iavf]\n[ 5267.192911] ? _raw_spin_unlock_irqrestore+0x1e/0x40\n[ 5267.193285] pci_device_remove+0x36/0xb0\n[ 5267.193619] device_release_driver_internal+0xc1/0x150\n[ 5267.193974] pci_stop_bus_device+0x69/0x90\n[ 5267.194361] pci_stop_and_remove_bus_device+0xe/0x20\n[ 5267.194735] pci_iov_remove_virtfn+0xba/0x120\n[ 5267.195130] sriov_disable+0x2f/0xe0\n[ 5267.195506] ice_free_vfs+0x7d/0x2f0 [ice]\n[ 5267.196056] ? pci_get_device+0x4f/0x70\n[ 5267.196496] ice_sriov_configure+0x78/0x1a0 [ice]\n[ 5267.196995] sriov_numvfs_store+0xfe/0x140\n[ 5267.197466] kernfs_fop_write_iter+0x12e/0x1c0\n[ 5267.197918] new_sync_write+0x10c/0x190\n[ 5267.198404] vfs_write+0x24e/0x2d0\n[ 5267.198886] ksys_write+0x5c/0xd0\n[ 5267.199367] do_syscall_64+0x3a/0x80\n[ 5267.199827] entry_SYSCALL_64_after_hwframe+0x46/0xb0\n[ 5267.200317] RIP: 0033:0x7f5b381205c8\n[ 5267.200814] RSP: 002b:00007fff8c7e8c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001\n[ 5267.201981] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f5b381205c8\n[ 5267.202620] RDX: 0000000000000002 RSI: 00005569420ee900 RDI: 0000000000000001\n[ 5267.203426] RBP: 00005569420ee900 R08: 000000000000000a R09: 00007f5b38180820\n[ 5267.204327] R10: 000000000000000a R11: 0000000000000246 R12: 00007f5b383c06e0\n[ 5267.205193] R13: 0000000000000002 R14: 00007f5b383bb880 R15: 0000000000000002\n[ 5267.206041] \u003c/TASK\u003e\n[ 5267.206970] Kernel panic - not syncing: hung_task: blocked tasks\n[ 5267.207809] CPU: 48 PID: 551 Comm: khungtaskd Kdump: loaded Tainted: G S E 5.18.0-04958-ga54ce3703613-dirty #1\n[ 5267.208726] Hardware name: Dell Inc. PowerEdge R730/0WCJNT, BIOS 2.11.0 11/02/2019\n[ 5267.209623] Call Trace:\n[ 5267.210569] \u003cTASK\u003e\n[ 5267.211480] dump_stack_lvl+0x33/0x42\n[ 5267.212472] panic+0x107/0x294\n[ 5267.213467] watchdog.cold.8+0xc/0xbb\n[ 5267.214413] ? proc_dohung_task_timeout_secs+0x30/0x30\n[ 5267.215511] kthread+0xf4/0x120\n[ 5267.216459] ? kthread_complete_and_exit+0x20/0x20\n[ 5267.217505] ret_from_fork+0x22/0x30\n[ 5267.218459] \u003c/TASK\u003e"
}
],
"providerMetadata": {
"dateUpdated": "2025-06-18T11:01:58.164Z",
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux"
},
"references": [
{
"url": "https://git.kernel.org/stable/c/743dc4377bbac06a6fe44c3c5baf75a49439678a"
},
{
"url": "https://git.kernel.org/stable/c/0828e27971f18ea317710acb228afe6e72606082"
},
{
"url": "https://git.kernel.org/stable/c/31071173771e079f7bc08dacd61e0db913262fbf"
}
],
"title": "iavf: Fix reset error handling",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"assignerShortName": "Linux",
"cveId": "CVE-2022-50053",
"datePublished": "2025-06-18T11:01:58.164Z",
"dateReserved": "2025-06-18T10:57:27.403Z",
"dateUpdated": "2025-06-18T11:01:58.164Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
CVE-2025-71238 (GCVE-0-2025-71238)
Vulnerability from cvelistv5 – Published: 2026-03-04 14:36 – Updated: 2026-04-13 06:02
VLAI?
EPSS
Title
scsi: qla2xxx: Fix bsg_done() causing double free
Summary
In the Linux kernel, the following vulnerability has been resolved:
scsi: qla2xxx: Fix bsg_done() causing double free
Kernel panic observed on system,
[5353358.825191] BUG: unable to handle page fault for address: ff5f5e897b024000
[5353358.825194] #PF: supervisor write access in kernel mode
[5353358.825195] #PF: error_code(0x0002) - not-present page
[5353358.825196] PGD 100006067 P4D 0
[5353358.825198] Oops: 0002 [#1] PREEMPT SMP NOPTI
[5353358.825200] CPU: 5 PID: 2132085 Comm: qlafwupdate.sub Kdump: loaded Tainted: G W L ------- --- 5.14.0-503.34.1.el9_5.x86_64 #1
[5353358.825203] Hardware name: HPE ProLiant DL360 Gen11/ProLiant DL360 Gen11, BIOS 2.44 01/17/2025
[5353358.825204] RIP: 0010:memcpy_erms+0x6/0x10
[5353358.825211] RSP: 0018:ff591da8f4f6b710 EFLAGS: 00010246
[5353358.825212] RAX: ff5f5e897b024000 RBX: 0000000000007090 RCX: 0000000000001000
[5353358.825213] RDX: 0000000000001000 RSI: ff591da8f4fed090 RDI: ff5f5e897b024000
[5353358.825214] RBP: 0000000000010000 R08: ff5f5e897b024000 R09: 0000000000000000
[5353358.825215] R10: ff46cf8c40517000 R11: 0000000000000001 R12: 0000000000008090
[5353358.825216] R13: ff591da8f4f6b720 R14: 0000000000001000 R15: 0000000000000000
[5353358.825218] FS: 00007f1e88d47740(0000) GS:ff46cf935f940000(0000) knlGS:0000000000000000
[5353358.825219] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[5353358.825220] CR2: ff5f5e897b024000 CR3: 0000000231532004 CR4: 0000000000771ef0
[5353358.825221] PKRU: 55555554
[5353358.825222] Call Trace:
[5353358.825223] <TASK>
[5353358.825224] ? show_trace_log_lvl+0x1c4/0x2df
[5353358.825229] ? show_trace_log_lvl+0x1c4/0x2df
[5353358.825232] ? sg_copy_buffer+0xc8/0x110
[5353358.825236] ? __die_body.cold+0x8/0xd
[5353358.825238] ? page_fault_oops+0x134/0x170
[5353358.825242] ? kernelmode_fixup_or_oops+0x84/0x110
[5353358.825244] ? exc_page_fault+0xa8/0x150
[5353358.825247] ? asm_exc_page_fault+0x22/0x30
[5353358.825252] ? memcpy_erms+0x6/0x10
[5353358.825253] sg_copy_buffer+0xc8/0x110
[5353358.825259] qla2x00_process_vendor_specific+0x652/0x1320 [qla2xxx]
[5353358.825317] qla24xx_bsg_request+0x1b2/0x2d0 [qla2xxx]
Most routines in qla_bsg.c call bsg_done() only for success cases.
However a few invoke it for failure case as well leading to a double
free. Validate before calling bsg_done().
Severity ?
No CVSS data available.
Assigner
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Linux | Linux |
Affected:
1b81e7f3019d632a707e07927e946ffbbc102910 , < 057a5bdc481e58ab853117254867ffb22caf9f6e
(git)
Affected: 1b81e7f3019d632a707e07927e946ffbbc102910 , < f2bbb4db0e4a4fbd5e649c0b5d8733f61da24720 (git) Affected: 1b81e7f3019d632a707e07927e946ffbbc102910 , < 27ac9679c43a09e54e2d9aae9980ada045b428e0 (git) Affected: 1b81e7f3019d632a707e07927e946ffbbc102910 , < 74e7458537cd9349cf019862e51491f670871707 (git) Affected: 1b81e7f3019d632a707e07927e946ffbbc102910 , < 871f6236da96c4a9712b8a29d7f555f767a47e95 (git) Affected: 1b81e7f3019d632a707e07927e946ffbbc102910 , < 31f33b856d2324d86bcaef295f4d210477a1c018 (git) Affected: 1b81e7f3019d632a707e07927e946ffbbc102910 , < 708003e1bc857dd014d4c44278d7d77c26f91b1c (git) Affected: 1b81e7f3019d632a707e07927e946ffbbc102910 , < c2c68225b1456f4d0d393b5a8778d51bb0d5b1d0 (git) |
|||||||
|
|||||||||
{
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{
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},
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"descriptions": [
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: qla2xxx: Fix bsg_done() causing double free\n\nKernel panic observed on system,\n\n[5353358.825191] BUG: unable to handle page fault for address: ff5f5e897b024000\n[5353358.825194] #PF: supervisor write access in kernel mode\n[5353358.825195] #PF: error_code(0x0002) - not-present page\n[5353358.825196] PGD 100006067 P4D 0\n[5353358.825198] Oops: 0002 [#1] PREEMPT SMP NOPTI\n[5353358.825200] CPU: 5 PID: 2132085 Comm: qlafwupdate.sub Kdump: loaded Tainted: G W L ------- --- 5.14.0-503.34.1.el9_5.x86_64 #1\n[5353358.825203] Hardware name: HPE ProLiant DL360 Gen11/ProLiant DL360 Gen11, BIOS 2.44 01/17/2025\n[5353358.825204] RIP: 0010:memcpy_erms+0x6/0x10\n[5353358.825211] RSP: 0018:ff591da8f4f6b710 EFLAGS: 00010246\n[5353358.825212] RAX: ff5f5e897b024000 RBX: 0000000000007090 RCX: 0000000000001000\n[5353358.825213] RDX: 0000000000001000 RSI: ff591da8f4fed090 RDI: ff5f5e897b024000\n[5353358.825214] RBP: 0000000000010000 R08: ff5f5e897b024000 R09: 0000000000000000\n[5353358.825215] R10: ff46cf8c40517000 R11: 0000000000000001 R12: 0000000000008090\n[5353358.825216] R13: ff591da8f4f6b720 R14: 0000000000001000 R15: 0000000000000000\n[5353358.825218] FS: 00007f1e88d47740(0000) GS:ff46cf935f940000(0000) knlGS:0000000000000000\n[5353358.825219] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n[5353358.825220] CR2: ff5f5e897b024000 CR3: 0000000231532004 CR4: 0000000000771ef0\n[5353358.825221] PKRU: 55555554\n[5353358.825222] Call Trace:\n[5353358.825223] \u003cTASK\u003e\n[5353358.825224] ? show_trace_log_lvl+0x1c4/0x2df\n[5353358.825229] ? show_trace_log_lvl+0x1c4/0x2df\n[5353358.825232] ? sg_copy_buffer+0xc8/0x110\n[5353358.825236] ? __die_body.cold+0x8/0xd\n[5353358.825238] ? page_fault_oops+0x134/0x170\n[5353358.825242] ? kernelmode_fixup_or_oops+0x84/0x110\n[5353358.825244] ? exc_page_fault+0xa8/0x150\n[5353358.825247] ? asm_exc_page_fault+0x22/0x30\n[5353358.825252] ? memcpy_erms+0x6/0x10\n[5353358.825253] sg_copy_buffer+0xc8/0x110\n[5353358.825259] qla2x00_process_vendor_specific+0x652/0x1320 [qla2xxx]\n[5353358.825317] qla24xx_bsg_request+0x1b2/0x2d0 [qla2xxx]\n\nMost routines in qla_bsg.c call bsg_done() only for success cases.\nHowever a few invoke it for failure case as well leading to a double\nfree. Validate before calling bsg_done()."
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CVE-2026-23231 (GCVE-0-2026-23231)
Vulnerability from cvelistv5 – Published: 2026-03-04 12:58 – Updated: 2026-04-13 06:02
VLAI?
EPSS
Title
netfilter: nf_tables: fix use-after-free in nf_tables_addchain()
Summary
In the Linux kernel, the following vulnerability has been resolved:
netfilter: nf_tables: fix use-after-free in nf_tables_addchain()
nf_tables_addchain() publishes the chain to table->chains via
list_add_tail_rcu() (in nft_chain_add()) before registering hooks.
If nf_tables_register_hook() then fails, the error path calls
nft_chain_del() (list_del_rcu()) followed by nf_tables_chain_destroy()
with no RCU grace period in between.
This creates two use-after-free conditions:
1) Control-plane: nf_tables_dump_chains() traverses table->chains
under rcu_read_lock(). A concurrent dump can still be walking
the chain when the error path frees it.
2) Packet path: for NFPROTO_INET, nf_register_net_hook() briefly
installs the IPv4 hook before IPv6 registration fails. Packets
entering nft_do_chain() via the transient IPv4 hook can still be
dereferencing chain->blob_gen_X when the error path frees the
chain.
Add synchronize_rcu() between nft_chain_del() and the chain destroy
so that all RCU readers -- both dump threads and in-flight packet
evaluation -- have finished before the chain is freed.
Severity ?
7.8 (High)
Assigner
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
Impacted products
| Vendor | Product | Version | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Linux | Linux |
Affected:
91c7b38dc9f0de4f7f444b796d14476bc12df7bc , < 2a6586ecfa4ce1413daaafee250d2590e05f1a33
(git)
Affected: 91c7b38dc9f0de4f7f444b796d14476bc12df7bc , < 7017745068a9068904e1e7a1b170a5785647cc81 (git) Affected: 91c7b38dc9f0de4f7f444b796d14476bc12df7bc , < f3fe58ce37926a10115ede527d59b91bcc05400a (git) Affected: 91c7b38dc9f0de4f7f444b796d14476bc12df7bc , < dbd0af8083dd201f07c49110b2ee93710abdff28 (git) Affected: 91c7b38dc9f0de4f7f444b796d14476bc12df7bc , < 2f9a4ffeb763aec822f8ff3d1e82202d27d46d4b (git) Affected: 91c7b38dc9f0de4f7f444b796d14476bc12df7bc , < 71e99ee20fc3f662555118cf1159443250647533 (git) |
|||||||
|
|||||||||
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CVE-2026-23193 (GCVE-0-2026-23193)
Vulnerability from cvelistv5 – Published: 2026-02-14 16:27 – Updated: 2026-04-03 13:32
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)
Assigner
References
| URL | Tags | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||
Impacted 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) |
|||||||
|
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CVE-2023-53539 (GCVE-0-2023-53539)
Vulnerability from cvelistv5 – Published: 2025-10-04 15:16 – Updated: 2025-10-04 15:16
VLAI?
EPSS
Title
RDMA/rxe: Fix incomplete state save in rxe_requester
Summary
In the Linux kernel, the following vulnerability has been resolved:
RDMA/rxe: Fix incomplete state save in rxe_requester
If a send packet is dropped by the IP layer in rxe_requester()
the call to rxe_xmit_packet() can fail with err == -EAGAIN.
To recover, the state of the wqe is restored to the state before
the packet was sent so it can be resent. However, the routines
that save and restore the state miss a significnt part of the
variable state in the wqe, the dma struct which is used to process
through the sge table. And, the state is not saved before the packet
is built which modifies the dma struct.
Under heavy stress testing with many QPs on a fast node sending
large messages to a slow node dropped packets are observed and
the resent packets are corrupted because the dma struct was not
restored. This patch fixes this behavior and allows the test cases
to succeed.
Severity ?
No CVSS data available.
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Affected:
3050b99850247695cb07a5c15265afcc08bcf400 , < 70518f3aaf5a059b691867d7d2d46b999319656a
(git)
Affected: 3050b99850247695cb07a5c15265afcc08bcf400 , < 2f2a6422287fe29f9343247d77b645100ece0652 (git) Affected: 3050b99850247695cb07a5c15265afcc08bcf400 , < 255c0e60e1d16874fc151358d94bc8df661600dd (git) Affected: 3050b99850247695cb07a5c15265afcc08bcf400 , < 5d122db2ff80cd2aed4dcd630befb56b51ddf947 (git) |
||
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CVE-2026-23111 (GCVE-0-2026-23111)
Vulnerability from cvelistv5 – Published: 2026-02-13 13:29 – Updated: 2026-04-03 13:31
VLAI?
EPSS
Title
netfilter: nf_tables: fix inverted genmask check in nft_map_catchall_activate()
Summary
In the Linux kernel, the following vulnerability has been resolved:
netfilter: nf_tables: fix inverted genmask check in nft_map_catchall_activate()
nft_map_catchall_activate() has an inverted element activity check
compared to its non-catchall counterpart nft_mapelem_activate() and
compared to what is logically required.
nft_map_catchall_activate() is called from the abort path to re-activate
catchall map elements that were deactivated during a failed transaction.
It should skip elements that are already active (they don't need
re-activation) and process elements that are inactive (they need to be
restored). Instead, the current code does the opposite: it skips inactive
elements and processes active ones.
Compare the non-catchall activate callback, which is correct:
nft_mapelem_activate():
if (nft_set_elem_active(ext, iter->genmask))
return 0; /* skip active, process inactive */
With the buggy catchall version:
nft_map_catchall_activate():
if (!nft_set_elem_active(ext, genmask))
continue; /* skip inactive, process active */
The consequence is that when a DELSET operation is aborted,
nft_setelem_data_activate() is never called for the catchall element.
For NFT_GOTO verdict elements, this means nft_data_hold() is never
called to restore the chain->use reference count. Each abort cycle
permanently decrements chain->use. Once chain->use reaches zero,
DELCHAIN succeeds and frees the chain while catchall verdict elements
still reference it, resulting in a use-after-free.
This is exploitable for local privilege escalation from an unprivileged
user via user namespaces + nftables on distributions that enable
CONFIG_USER_NS and CONFIG_NF_TABLES.
Fix by removing the negation so the check matches nft_mapelem_activate():
skip active elements, process inactive ones.
Severity ?
7.8 (High)
Assigner
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
Impacted products
| Vendor | Product | Version | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Linux | Linux |
Affected:
25aa2ad37c2162be1c0bc4fe6397f7e4c13f00f8 , < 8c760ba4e36c750379d13569f23f5a6e185333f5
(git)
Affected: d60be2da67d172aecf866302c91ea11533eca4d9 , < b9b6573421de51829f7ec1cce76d85f5f6fbbd7f (git) Affected: 628bd3e49cba1c066228e23d71a852c23e26da73 , < 42c574c1504aa089a0a142e4c13859327570473d (git) Affected: 628bd3e49cba1c066228e23d71a852c23e26da73 , < 1444ff890b4653add12f734ffeffc173d42862dd (git) Affected: 628bd3e49cba1c066228e23d71a852c23e26da73 , < 8b68a45f9722f2babe9e7bad00aa74638addf081 (git) Affected: 628bd3e49cba1c066228e23d71a852c23e26da73 , < f41c5d151078c5348271ffaf8e7410d96f2d82f8 (git) Affected: bc9f791d2593f17e39f87c6e2b3a36549a3705b1 (git) Affected: 3c7ec098e3b588434a8b07ea9b5b36f04cef1f50 (git) Affected: a136b7942ad2a50de708f76ea299ccb45ac7a7f9 (git) Affected: dc7cdf8cbcbf8b13de1df93f356ec04cdeef5c41 (git) |
|||||||
|
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CVE-2026-31402 (GCVE-0-2026-31402)
Vulnerability from cvelistv5 – Published: 2026-04-03 15:16 – Updated: 2026-04-27 14:02
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)
Assigner
References
| URL | Tags | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Linux | Linux |
Affected:
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < f9fcb4441f6c02bb20c2eb340101e27dfe23607c
(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) |
|||||||
|
|||||||||
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CVE-2025-38024 (GCVE-0-2025-38024)
Vulnerability from cvelistv5 – Published: 2025-06-18 09:28 – Updated: 2025-11-03 19:58
VLAI?
EPSS
Title
RDMA/rxe: Fix slab-use-after-free Read in rxe_queue_cleanup bug
Summary
In the Linux kernel, the following vulnerability has been resolved:
RDMA/rxe: Fix slab-use-after-free Read in rxe_queue_cleanup bug
Call Trace:
<TASK>
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x7d/0xa0 lib/dump_stack.c:120
print_address_description mm/kasan/report.c:378 [inline]
print_report+0xcf/0x610 mm/kasan/report.c:489
kasan_report+0xb5/0xe0 mm/kasan/report.c:602
rxe_queue_cleanup+0xd0/0xe0 drivers/infiniband/sw/rxe/rxe_queue.c:195
rxe_cq_cleanup+0x3f/0x50 drivers/infiniband/sw/rxe/rxe_cq.c:132
__rxe_cleanup+0x168/0x300 drivers/infiniband/sw/rxe/rxe_pool.c:232
rxe_create_cq+0x22e/0x3a0 drivers/infiniband/sw/rxe/rxe_verbs.c:1109
create_cq+0x658/0xb90 drivers/infiniband/core/uverbs_cmd.c:1052
ib_uverbs_create_cq+0xc7/0x120 drivers/infiniband/core/uverbs_cmd.c:1095
ib_uverbs_write+0x969/0xc90 drivers/infiniband/core/uverbs_main.c:679
vfs_write fs/read_write.c:677 [inline]
vfs_write+0x26a/0xcc0 fs/read_write.c:659
ksys_write+0x1b8/0x200 fs/read_write.c:731
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xaa/0x1b0 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
In the function rxe_create_cq, when rxe_cq_from_init fails, the function
rxe_cleanup will be called to handle the allocated resources. In fact,
some memory resources have already been freed in the function
rxe_cq_from_init. Thus, this problem will occur.
The solution is to let rxe_cleanup do all the work.
Severity ?
No CVSS data available.
Assigner
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Linux | Linux |
Affected:
8700e3e7c4857d28ebaa824509934556da0b3e76 , < 7c7c80c32e00665234e373ab03fe82f5c5c2c230
(git)
Affected: 8700e3e7c4857d28ebaa824509934556da0b3e76 , < 3a3b73e135e3bd18423d0baa72571319c7feb759 (git) Affected: 8700e3e7c4857d28ebaa824509934556da0b3e76 , < f8f470e3a757425a8f98fb9a5991e3cf62fc7134 (git) Affected: 8700e3e7c4857d28ebaa824509934556da0b3e76 , < 52daccfc3fa68ee1902d52124921453d7a335591 (git) Affected: 8700e3e7c4857d28ebaa824509934556da0b3e76 , < ee4c5a2a38596d548566560c0c022ab797e6f71a (git) Affected: 8700e3e7c4857d28ebaa824509934556da0b3e76 , < 336edd6b0f5b7fbffc3e065285610624f59e88df (git) Affected: 8700e3e7c4857d28ebaa824509934556da0b3e76 , < 16c45ced0b3839d3eee72a86bb172bef6cf58980 (git) Affected: 8700e3e7c4857d28ebaa824509934556da0b3e76 , < f81b33582f9339d2dc17c69b92040d3650bb4bae (git) |
|||||||
|
|||||||||
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/rxe: Fix slab-use-after-free Read in rxe_queue_cleanup bug\n\nCall Trace:\n \u003cTASK\u003e\n __dump_stack lib/dump_stack.c:94 [inline]\n dump_stack_lvl+0x7d/0xa0 lib/dump_stack.c:120\n print_address_description mm/kasan/report.c:378 [inline]\n print_report+0xcf/0x610 mm/kasan/report.c:489\n kasan_report+0xb5/0xe0 mm/kasan/report.c:602\n rxe_queue_cleanup+0xd0/0xe0 drivers/infiniband/sw/rxe/rxe_queue.c:195\n rxe_cq_cleanup+0x3f/0x50 drivers/infiniband/sw/rxe/rxe_cq.c:132\n __rxe_cleanup+0x168/0x300 drivers/infiniband/sw/rxe/rxe_pool.c:232\n rxe_create_cq+0x22e/0x3a0 drivers/infiniband/sw/rxe/rxe_verbs.c:1109\n create_cq+0x658/0xb90 drivers/infiniband/core/uverbs_cmd.c:1052\n ib_uverbs_create_cq+0xc7/0x120 drivers/infiniband/core/uverbs_cmd.c:1095\n ib_uverbs_write+0x969/0xc90 drivers/infiniband/core/uverbs_main.c:679\n vfs_write fs/read_write.c:677 [inline]\n vfs_write+0x26a/0xcc0 fs/read_write.c:659\n ksys_write+0x1b8/0x200 fs/read_write.c:731\n do_syscall_x64 arch/x86/entry/common.c:52 [inline]\n do_syscall_64+0xaa/0x1b0 arch/x86/entry/common.c:83\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\n\nIn the function rxe_create_cq, when rxe_cq_from_init fails, the function\nrxe_cleanup will be called to handle the allocated resources. In fact,\nsome memory resources have already been freed in the function\nrxe_cq_from_init. Thus, this problem will occur.\n\nThe solution is to let rxe_cleanup do all the work."
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CVE-2025-38180 (GCVE-0-2025-38180)
Vulnerability from cvelistv5 – Published: 2025-07-04 13:37 – Updated: 2025-11-03 17:35
VLAI?
EPSS
Title
net: atm: fix /proc/net/atm/lec handling
Summary
In the Linux kernel, the following vulnerability has been resolved:
net: atm: fix /proc/net/atm/lec handling
/proc/net/atm/lec must ensure safety against dev_lec[] changes.
It appears it had dev_put() calls without prior dev_hold(),
leading to imbalance and UAF.
Severity ?
No CVSS data available.
Assigner
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Linux | Linux |
Affected:
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < fcfccf56f4eba7d00aa2d33c7bb1b33083237742
(git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < f2d1443b18806640abdb530e88009af7be2588e7 (git) Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < ca3829c18c8d0ceb656605d3bff6bb3dfb078589 (git) Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < e612c4b014f5808fbc6beae21f5ccaca5e76a2f8 (git) Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < a5e3a144268899f1a8c445c8a3bfa15873ba85e8 (git) Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 5fe1b23a2f87f43aeeac51e08819cbc6fd808cbc (git) Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 9b9aeb3ada44d8abea1e31e4446113f460848ae4 (git) Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < d03b79f459c7935cff830d98373474f440bd03ae (git) |
|||||||
|
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CVE-2026-23216 (GCVE-0-2026-23216)
Vulnerability from cvelistv5 – Published: 2026-02-18 14:21 – Updated: 2026-02-20 11:31
VLAI?
EPSS
Title
scsi: target: iscsi: Fix use-after-free in iscsit_dec_conn_usage_count()
Summary
In the Linux kernel, the following vulnerability has been resolved:
scsi: target: iscsi: Fix use-after-free in iscsit_dec_conn_usage_count()
In iscsit_dec_conn_usage_count(), the function calls complete() while
holding the conn->conn_usage_lock. As soon as complete() is invoked, the
waiter (such as iscsit_close_connection()) may wake up and proceed to free
the iscsit_conn structure.
If the waiter frees the memory before the current thread reaches
spin_unlock_bh(), it results in a KASAN slab-use-after-free as the function
attempts to release a lock within the already-freed connection structure.
Fix this by releasing the spinlock before calling complete().
Severity ?
No CVSS data available.
Assigner
References
| URL | Tags | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Linux | Linux |
Affected:
e48354ce078c079996f89d715dfa44814b4eba01 , < ba684191437380a07b27666eb4e72748be1ea201
(git)
Affected: e48354ce078c079996f89d715dfa44814b4eba01 , < 8518f072fc92921418cd9ed4268dd4f3e9a8fd75 (git) Affected: e48354ce078c079996f89d715dfa44814b4eba01 , < 275016a551ba1a068a3bd6171b18611726b67110 (git) Affected: e48354ce078c079996f89d715dfa44814b4eba01 , < 73b487d44bf4f92942629d578381f89c326ff77f (git) Affected: e48354ce078c079996f89d715dfa44814b4eba01 , < 48fe983e92de2c59d143fe38362ad17ba23ec7f3 (git) Affected: e48354ce078c079996f89d715dfa44814b4eba01 , < 3835e49e146a4e6e7787b29465f1a23379b6ec44 (git) Affected: e48354ce078c079996f89d715dfa44814b4eba01 , < 9411a89e9e7135cc459178fa77a3f1d6191ae903 (git) |
|||||||
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CVE-2026-23204 (GCVE-0-2026-23204)
Vulnerability from cvelistv5 – Published: 2026-02-14 16:27 – Updated: 2026-04-03 13:32
VLAI?
EPSS
Title
net/sched: cls_u32: use skb_header_pointer_careful()
Summary
In the Linux kernel, the following vulnerability has been resolved:
net/sched: cls_u32: use skb_header_pointer_careful()
skb_header_pointer() does not fully validate negative @offset values.
Use skb_header_pointer_careful() instead.
GangMin Kim provided a report and a repro fooling u32_classify():
BUG: KASAN: slab-out-of-bounds in u32_classify+0x1180/0x11b0
net/sched/cls_u32.c:221
Severity ?
7.1 (High)
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Affected:
fbc2e7d9cf49e0bf89b9e91fd60a06851a855c5d , < cfa745830e45ecb75c061aa34330ee0cac941cc7
(git)
Affected: fbc2e7d9cf49e0bf89b9e91fd60a06851a855c5d , < 13336a6239b9d7c6e61483017bb8bdfe3ceb10a5 (git) Affected: fbc2e7d9cf49e0bf89b9e91fd60a06851a855c5d , < e41a23e61259f5526af875c3b86b3d42a9bae0e5 (git) Affected: fbc2e7d9cf49e0bf89b9e91fd60a06851a855c5d , < 8a672f177ebe19c93d795fbe967846084fbc7943 (git) Affected: fbc2e7d9cf49e0bf89b9e91fd60a06851a855c5d , < cabd1a976375780dabab888784e356f574bbaed8 (git) |
||
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Trend slope:
-
(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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