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CERTFR-2026-AVI-0982
Vulnerability from certfr_avis - Published: 2026-08-07 - Updated: 2026-08-07
De multiples vulnérabilités ont été découvertes dans le noyau Linux de Debian LTS. Elles permettent à un attaquant de provoquer une élévation de privilèges, une atteinte à la confidentialité des données et un déni de service.
Solutions
Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).
Impacted products
References
| Title | Publication Time | Tags | ||||||
|---|---|---|---|---|---|---|---|---|
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{
"$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
"affected_systems": [
{
"description": "Debian 11 bullseye versions ant\u00e9rieures \u00e0 5.10.262-1",
"product": {
"name": "Debian",
"vendor": {
"name": "Debian",
"scada": false
}
}
},
{
"description": "Debian 12 bookworm versions ant\u00e9rieures \u00e0 6.1.180-1",
"product": {
"name": "Debian",
"vendor": {
"name": "Debian",
"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-2026-64376",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64376"
},
{
"name": "CVE-2026-53398",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-53398"
},
{
"name": "CVE-2026-64552",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64552"
},
{
"name": "CVE-2026-53381",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-53381"
},
{
"name": "CVE-2026-64275",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64275"
},
{
"name": "CVE-2026-64274",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64274"
},
{
"name": "CVE-2026-64538",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64538"
},
{
"name": "CVE-2026-64452",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64452"
},
{
"name": "CVE-2026-64483",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64483"
},
{
"name": "CVE-2026-64322",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64322"
},
{
"name": "CVE-2026-64470",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64470"
},
{
"name": "CVE-2026-64461",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64461"
},
{
"name": "CVE-2026-64413",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64413"
},
{
"name": "CVE-2026-64512",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64512"
},
{
"name": "CVE-2026-64409",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64409"
},
{
"name": "CVE-2026-64380",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64380"
},
{
"name": "CVE-2026-64268",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64268"
},
{
"name": "CVE-2026-64489",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64489"
},
{
"name": "CVE-2026-64510",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64510"
},
{
"name": "CVE-2026-64480",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64480"
},
{
"name": "CVE-2026-64399",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64399"
},
{
"name": "CVE-2026-63818",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-63818"
},
{
"name": "CVE-2026-64454",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64454"
},
{
"name": "CVE-2026-64531",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64531"
},
{
"name": "CVE-2026-53399",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-53399"
},
{
"name": "CVE-2026-53400",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-53400"
},
{
"name": "CVE-2026-64365",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64365"
},
{
"name": "CVE-2026-53138",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-53138"
},
{
"name": "CVE-2026-63830",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-63830"
},
{
"name": "CVE-2026-64333",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64333"
},
{
"name": "CVE-2025-23131",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-23131"
},
{
"name": "CVE-2026-64514",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64514"
},
{
"name": "CVE-2026-64279",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64279"
},
{
"name": "CVE-2026-64337",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64337"
},
{
"name": "CVE-2026-64550",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64550"
},
{
"name": "CVE-2026-64430",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64430"
},
{
"name": "CVE-2026-64497",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64497"
},
{
"name": "CVE-2026-64189",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64189"
},
{
"name": "CVE-2026-63798",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-63798"
},
{
"name": "CVE-2026-63810",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-63810"
},
{
"name": "CVE-2026-63801",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-63801"
},
{
"name": "CVE-2026-63815",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-63815"
},
{
"name": "CVE-2026-63827",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-63827"
},
{
"name": "CVE-2026-64304",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64304"
},
{
"name": "CVE-2026-64557",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64557"
},
{
"name": "CVE-2026-53397",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-53397"
},
{
"name": "CVE-2026-64252",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64252"
},
{
"name": "CVE-2026-64276",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64276"
},
{
"name": "CVE-2026-64475",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64475"
},
{
"name": "CVE-2026-64323",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64323"
},
{
"name": "CVE-2026-64438",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64438"
},
{
"name": "CVE-2026-64271",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64271"
},
{
"name": "CVE-2026-64462",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64462"
},
{
"name": "CVE-2026-64455",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64455"
},
{
"name": "CVE-2026-52942",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-52942"
},
{
"name": "CVE-2026-46331",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-46331"
},
{
"name": "CVE-2026-46252",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-46252"
},
{
"name": "CVE-2026-64445",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64445"
},
{
"name": "CVE-2026-64500",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64500"
},
{
"name": "CVE-2026-63806",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-63806"
},
{
"name": "CVE-2026-64330",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64330"
},
{
"name": "CVE-2026-64348",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64348"
},
{
"name": "CVE-2026-64469",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64469"
},
{
"name": "CVE-2026-64362",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64362"
},
{
"name": "CVE-2026-63800",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-63800"
},
{
"name": "CVE-2026-64486",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64486"
},
{
"name": "CVE-2026-64446",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64446"
},
{
"name": "CVE-2026-64534",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64534"
},
{
"name": "CVE-2026-64338",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64338"
},
{
"name": "CVE-2026-46116",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-46116"
},
{
"name": "CVE-2026-64249",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64249"
},
{
"name": "CVE-2026-64536",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64536"
},
{
"name": "CVE-2026-64364",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64364"
},
{
"name": "CVE-2026-64553",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64553"
},
{
"name": "CVE-2026-53402",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-53402"
},
{
"name": "CVE-2026-64351",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64351"
},
{
"name": "CVE-2026-23204",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-23204"
},
{
"name": "CVE-2026-63835",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-63835"
},
{
"name": "CVE-2026-64432",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64432"
},
{
"name": "CVE-2026-63796",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-63796"
},
{
"name": "CVE-2026-43499",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-43499"
},
{
"name": "CVE-2026-53332",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-53332"
},
{
"name": "CVE-2026-64363",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64363"
},
{
"name": "CVE-2026-64375",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64375"
},
{
"name": "CVE-2026-64296",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64296"
},
{
"name": "CVE-2026-64546",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64546"
},
{
"name": "CVE-2026-64370",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64370"
},
{
"name": "CVE-2026-43216",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-43216"
},
{
"name": "CVE-2026-53158",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-53158"
},
{
"name": "CVE-2026-64299",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64299"
},
{
"name": "CVE-2026-64374",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64374"
},
{
"name": "CVE-2026-64488",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64488"
},
{
"name": "CVE-2026-64345",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64345"
},
{
"name": "CVE-2026-53329",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-53329"
},
{
"name": "CVE-2026-53382",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-53382"
},
{
"name": "CVE-2026-64504",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64504"
},
{
"name": "CVE-2026-64398",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64398"
},
{
"name": "CVE-2026-64297",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64297"
},
{
"name": "CVE-2026-64343",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64343"
},
{
"name": "CVE-2026-64397",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64397"
},
{
"name": "CVE-2026-64371",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64371"
},
{
"name": "CVE-2026-64471",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64471"
},
{
"name": "CVE-2026-64468",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64468"
},
{
"name": "CVE-2026-64449",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64449"
},
{
"name": "CVE-2026-64539",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64539"
},
{
"name": "CVE-2026-64551",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64551"
},
{
"name": "CVE-2026-53403",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-53403"
},
{
"name": "CVE-2026-63797",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-63797"
},
{
"name": "CVE-2026-64456",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64456"
},
{
"name": "CVE-2026-64306",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64306"
},
{
"name": "CVE-2026-64465",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64465"
},
{
"name": "CVE-2026-64313",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64313"
},
{
"name": "CVE-2026-53157",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-53157"
},
{
"name": "CVE-2026-64442",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64442"
},
{
"name": "CVE-2026-64554",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64554"
},
{
"name": "CVE-2026-64401",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64401"
},
{
"name": "CVE-2026-64248",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64248"
},
{
"name": "CVE-2026-64533",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64533"
},
{
"name": "CVE-2026-53392",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-53392"
},
{
"name": "CVE-2026-64541",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64541"
},
{
"name": "CVE-2026-64332",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64332"
},
{
"name": "CVE-2026-53167",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-53167"
},
{
"name": "CVE-2026-64191",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64191"
},
{
"name": "CVE-2026-64458",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64458"
},
{
"name": "CVE-2026-64476",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64476"
},
{
"name": "CVE-2026-64378",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64378"
},
{
"name": "CVE-2026-64549",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64549"
},
{
"name": "CVE-2026-64318",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64318"
},
{
"name": "CVE-2026-63794",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-63794"
},
{
"name": "CVE-2026-64394",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64394"
},
{
"name": "CVE-2026-53177",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-53177"
},
{
"name": "CVE-2026-63824",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-63824"
},
{
"name": "CVE-2026-64435",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64435"
},
{
"name": "CVE-2026-64544",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64544"
},
{
"name": "CVE-2026-64336",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64336"
},
{
"name": "CVE-2026-64352",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64352"
},
{
"name": "CVE-2026-64346",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64346"
},
{
"name": "CVE-2026-31610",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-31610"
},
{
"name": "CVE-2026-63822",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-63822"
},
{
"name": "CVE-2026-64187",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64187"
},
{
"name": "CVE-2026-64342",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64342"
},
{
"name": "CVE-2026-64360",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64360"
},
{
"name": "CVE-2022-50114",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-50114"
},
{
"name": "CVE-2026-64478",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64478"
},
{
"name": "CVE-2026-64472",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64472"
},
{
"name": "CVE-2026-64437",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64437"
},
{
"name": "CVE-2026-64335",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64335"
},
{
"name": "CVE-2026-64301",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64301"
},
{
"name": "CVE-2026-64315",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64315"
},
{
"name": "CVE-2026-64395",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64395"
},
{
"name": "CVE-2026-64273",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64273"
},
{
"name": "CVE-2026-63828",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-63828"
},
{
"name": "CVE-2024-36013",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-36013"
},
{
"name": "CVE-2025-40196",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40196"
},
{
"name": "CVE-2026-64545",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64545"
},
{
"name": "CVE-2026-46135",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-46135"
},
{
"name": "CVE-2026-64529",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64529"
},
{
"name": "CVE-2026-64381",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64381"
},
{
"name": "CVE-2026-53393",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-53393"
},
{
"name": "CVE-2026-64496",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64496"
},
{
"name": "CVE-2026-64408",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64408"
},
{
"name": "CVE-2026-64316",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64316"
},
{
"name": "CVE-2026-64417",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64417"
},
{
"name": "CVE-2026-64423",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64423"
},
{
"name": "CVE-2026-64443",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64443"
},
{
"name": "CVE-2026-53159",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-53159"
},
{
"name": "CVE-2026-64269",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64269"
},
{
"name": "CVE-2026-64540",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64540"
},
{
"name": "CVE-2026-64482",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64482"
},
{
"name": "CVE-2026-64495",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64495"
},
{
"name": "CVE-2026-64396",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64396"
},
{
"name": "CVE-2026-64324",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64324"
},
{
"name": "CVE-2026-64329",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64329"
},
{
"name": "CVE-2026-64373",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64373"
},
{
"name": "CVE-2026-64277",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64277"
},
{
"name": "CVE-2026-64503",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64503"
},
{
"name": "CVE-2026-31755",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-31755"
},
{
"name": "CVE-2026-31451",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-31451"
},
{
"name": "CVE-2026-63809",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-63809"
},
{
"name": "CVE-2026-64436",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64436"
},
{
"name": "CVE-2026-64403",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64403"
},
{
"name": "CVE-2026-63836",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-63836"
},
{
"name": "CVE-2026-63814",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-63814"
},
{
"name": "CVE-2026-64412",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64412"
},
{
"name": "CVE-2026-64188",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64188"
},
{
"name": "CVE-2026-64487",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64487"
},
{
"name": "CVE-2026-64303",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64303"
},
{
"name": "CVE-2026-64429",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64429"
},
{
"name": "CVE-2026-64344",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64344"
},
{
"name": "CVE-2026-63831",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-63831"
},
{
"name": "CVE-2026-63834",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-63834"
},
{
"name": "CVE-2026-64350",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64350"
},
{
"name": "CVE-2026-64250",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64250"
},
{
"name": "CVE-2026-64411",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64411"
},
{
"name": "CVE-2026-64537",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64537"
},
{
"name": "CVE-2026-64334",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64334"
},
{
"name": "CVE-2026-64448",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64448"
},
{
"name": "CVE-2026-64347",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64347"
},
{
"name": "CVE-2025-39931",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-39931"
},
{
"name": "CVE-2026-64393",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64393"
},
{
"name": "CVE-2026-64419",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64419"
},
{
"name": "CVE-2026-64372",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64372"
},
{
"name": "CVE-2026-64444",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64444"
},
{
"name": "CVE-2022-49803",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-49803"
},
{
"name": "CVE-2026-64331",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64331"
},
{
"name": "CVE-2026-64361",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64361"
},
{
"name": "CVE-2026-64547",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64547"
},
{
"name": "CVE-2026-64494",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64494"
},
{
"name": "CVE-2026-53385",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-53385"
},
{
"name": "CVE-2026-63823",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-63823"
},
{
"name": "CVE-2026-53325",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-53325"
},
{
"name": "CVE-2026-64206",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64206"
},
{
"name": "CVE-2026-64530",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64530"
},
{
"name": "CVE-2026-64560",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64560"
},
{
"name": "CVE-2026-63808",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-63808"
},
{
"name": "CVE-2026-64535",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64535"
},
{
"name": "CVE-2026-64379",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64379"
},
{
"name": "CVE-2026-64420",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64420"
},
{
"name": "CVE-2026-64548",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64548"
},
{
"name": "CVE-2026-64406",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64406"
},
{
"name": "CVE-2026-64425",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64425"
},
{
"name": "CVE-2026-64600",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64600"
},
{
"name": "CVE-2026-64312",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64312"
},
{
"name": "CVE-2026-64532",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64532"
},
{
"name": "CVE-2026-64428",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64428"
},
{
"name": "CVE-2026-64505",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64505"
},
{
"name": "CVE-2026-64355",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64355"
},
{
"name": "CVE-2026-64422",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64422"
},
{
"name": "CVE-2026-64340",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64340"
},
{
"name": "CVE-2026-64450",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64450"
},
{
"name": "CVE-2026-64484",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64484"
},
{
"name": "CVE-2026-64298",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64298"
},
{
"name": "CVE-2026-64390",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64390"
},
{
"name": "CVE-2023-52494",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-52494"
},
{
"name": "CVE-2026-64266",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64266"
},
{
"name": "CVE-2026-64441",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64441"
},
{
"name": "CVE-2026-63829",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-63829"
},
{
"name": "CVE-2026-64440",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64440"
},
{
"name": "CVE-2026-63803",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-63803"
},
{
"name": "CVE-2026-64359",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64359"
},
{
"name": "CVE-2026-43219",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-43219"
},
{
"name": "CVE-2026-64317",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-64317"
}
],
"initial_release_date": "2026-08-07T00:00:00",
"last_revision_date": "2026-08-07T00:00:00",
"links": [],
"reference": "CERTFR-2026-AVI-0982",
"revisions": [
{
"description": "Version initiale",
"revision_date": "2026-08-07T00:00:00.000000"
}
],
"risks": [
{
"description": "D\u00e9ni de service"
},
{
"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 Debian LTS. Elles permettent \u00e0 un attaquant de provoquer une \u00e9l\u00e9vation de privil\u00e8ges, une atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es et un d\u00e9ni de service.",
"title": "Multiples vuln\u00e9rabilit\u00e9s dans le noyau Linux de Debian LTS",
"vendor_advisories": [
{
"published_at": "2026-08-05",
"title": "Bulletin de s\u00e9curit\u00e9 Debian LTS msg00007",
"url": "https://lists.debian.org/debian-lts-announce/2026/08/msg00007.html"
},
{
"published_at": "2026-08-05",
"title": "Bulletin de s\u00e9curit\u00e9 Debian LTS msg00008",
"url": "https://lists.debian.org/debian-lts-announce/2026/08/msg00008.html"
}
]
}
CVE-2026-64440 (GCVE-0-2026-64440)
Vulnerability from cvelistv5 – Published: 2026-07-25 08:51 – Updated: 2026-08-05 12:42
VLAI
EPSS
VEX
Title
staging: rtl8723bs: fix OOB write in HT_caps_handler()
Summary
In the Linux kernel, the following vulnerability has been resolved:
staging: rtl8723bs: fix OOB write in HT_caps_handler()
HT_caps_handler() iterates pIE->length bytes and writes into
HT_caps.u.HT_cap[], which is a fixed 26-byte array (sizeof struct
HT_caps_element). Because pIE->length is a raw u8 from an over-the-air
802.11 AssocResponse frame and is never validated, a malicious AP can
set it up to 255, causing up to 229 bytes of out-of-bounds writes into
adjacent fields of struct mlme_ext_info.
Truncate the iteration count to the size of HT_caps.u.HT_cap using
umin() so that data from a longer-than-expected IE is silently ignored
rather than written out of bounds, preserving interoperability with APs
that pad the element. An early return on oversized IEs was considered
but rejected: it would bypass the pmlmeinfo->HT_caps_enable = 1
assignment that precedes the loop, silently disabling HT mode for APs
that append extra bytes to the HT Capabilities IE.
Severity
8.1 (High)
Assigner
References
7 references
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux |
Affected:
554c0a3abf216c991c5ebddcdb2c08689ecd290b , < 37f642d47c3648a707df3ceb092eee1adffbfd28
(git)
Affected: 554c0a3abf216c991c5ebddcdb2c08689ecd290b , < 8c872b47c7fc32e95e0da1db7512388794adcd69 (git) Affected: 554c0a3abf216c991c5ebddcdb2c08689ecd290b , < bb3b942da4123b55d1cacf19d1a7d5ba15dbf83a (git) Affected: 554c0a3abf216c991c5ebddcdb2c08689ecd290b , < 918537a0fbed85aab61fa28ad75e6279070610c9 (git) Affected: 554c0a3abf216c991c5ebddcdb2c08689ecd290b , < 6f91621fc45025ad3c0be796b70e6e4cee22fc69 (git) Affected: 554c0a3abf216c991c5ebddcdb2c08689ecd290b , < 225b6d3fc7e99ac3d20b6c861d1e47d24e7ea31d (git) Affected: 554c0a3abf216c991c5ebddcdb2c08689ecd290b , < f8001e1a516ba3b495728c65b61f799cbfad6bd0 (git) |
|
| Linux | Linux |
Affected:
4.12
Unaffected: 0 , < 4.12 (semver) Unaffected: 5.15.212 , ≤ 5.15.* (semver) Unaffected: 6.1.178 , ≤ 6.1.* (semver) Unaffected: 6.6.145 , ≤ 6.6.* (semver) Unaffected: 6.12.96 , ≤ 6.12.* (semver) Unaffected: 6.18.39 , ≤ 6.18.* (semver) Unaffected: 7.1.4 , ≤ 7.1.* (semver) Unaffected: 7.2-rc3 , ≤ * (original_commit_for_fix) |
{
"containers": {
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "Linux",
"programFiles": [
"drivers/staging/rtl8723bs/core/rtw_wlan_util.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"lessThan": "37f642d47c3648a707df3ceb092eee1adffbfd28",
"status": "affected",
"version": "554c0a3abf216c991c5ebddcdb2c08689ecd290b",
"versionType": "git"
},
{
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"status": "affected",
"version": "554c0a3abf216c991c5ebddcdb2c08689ecd290b",
"versionType": "git"
},
{
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"versionType": "git"
},
{
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"status": "affected",
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"versionType": "git"
},
{
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"status": "affected",
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"versionType": "git"
},
{
"lessThan": "225b6d3fc7e99ac3d20b6c861d1e47d24e7ea31d",
"status": "affected",
"version": "554c0a3abf216c991c5ebddcdb2c08689ecd290b",
"versionType": "git"
},
{
"lessThan": "f8001e1a516ba3b495728c65b61f799cbfad6bd0",
"status": "affected",
"version": "554c0a3abf216c991c5ebddcdb2c08689ecd290b",
"versionType": "git"
}
]
},
{
"defaultStatus": "affected",
"product": "Linux",
"programFiles": [
"drivers/staging/rtl8723bs/core/rtw_wlan_util.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"status": "affected",
"version": "4.12"
},
{
"lessThan": "4.12",
"status": "unaffected",
"version": "0",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.15.*",
"status": "unaffected",
"version": "5.15.212",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"version": "6.1.178",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.6.*",
"status": "unaffected",
"version": "6.6.145",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.12.*",
"status": "unaffected",
"version": "6.12.96",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.18.*",
"status": "unaffected",
"version": "6.18.39",
"versionType": "semver"
},
{
"lessThanOrEqual": "7.1.*",
"status": "unaffected",
"version": "7.1.4",
"versionType": "semver"
},
{
"lessThanOrEqual": "*",
"status": "unaffected",
"version": "7.2-rc3",
"versionType": "original_commit_for_fix"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "5.15.212",
"versionStartIncluding": "4.12",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.1.178",
"versionStartIncluding": "4.12",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.6.145",
"versionStartIncluding": "4.12",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.12.96",
"versionStartIncluding": "4.12",
"vulnerable": true
},
{
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CVE-2026-64441 (GCVE-0-2026-64441)
Vulnerability from cvelistv5 – Published: 2026-07-25 08:51 – Updated: 2026-08-05 12:42
VLAI
EPSS
VEX
Title
staging: rtl8723bs: fix OOB reads in rtw_get_sec_ie(), rtw_get_wapi_ie(), and rtw_get_wps_attr()
Summary
In the Linux kernel, the following vulnerability has been resolved:
staging: rtl8723bs: fix OOB reads in rtw_get_sec_ie(), rtw_get_wapi_ie(), and rtw_get_wps_attr()
Three IE/attribute parsing functions have missing bounds checks.
rtw_get_sec_ie() and rtw_get_wapi_ie() iterate over a raw IE buffer
without verifying that the header bytes (tag + length) are within the
remaining buffer before reading them. Additionally, rtw_get_sec_ie()
compares the 4-byte WPA OUI at cnt+2 without checking that at least
6 bytes remain, and rtw_get_wapi_ie() compares a 4-byte WAPI OUI at
cnt+6 without checking that at least 10 bytes remain.
rtw_get_wps_attr() reads wps_ie[0] and wps_ie+2 unconditionally at
entry, before verifying that wps_ielen is large enough to contain
the 6-byte WPS IE header (element_id + length + 4-byte OUI). Inside
the attribute loop, get_unaligned_be16() is called on attr_ptr and
attr_ptr+2 without checking that 4 bytes remain in the buffer.
Add a cnt+2 bounds check before each loop body in rtw_get_sec_ie()
and rtw_get_wapi_ie(), guard each multi-byte comparison with a minimum
IE length requirement, add a wps_ielen < 6 early return in
rtw_get_wps_attr(), and add a 4-byte bounds check in its inner loop.
Severity
8.8 (High)
Assigner
References
7 references
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux |
Affected:
554c0a3abf216c991c5ebddcdb2c08689ecd290b , < efa27d487abcdec79669a60a6d94d5d6eceb7c1d
(git)
Affected: 554c0a3abf216c991c5ebddcdb2c08689ecd290b , < 2ea1ce30ead61589214240e8d33d96310fd613e5 (git) Affected: 554c0a3abf216c991c5ebddcdb2c08689ecd290b , < b27ecba3196f6c14e3809595ebd69c0c2392512a (git) Affected: 554c0a3abf216c991c5ebddcdb2c08689ecd290b , < 6ab1161e539fb7a1c8b35ff5a6ced4702e855b9c (git) Affected: 554c0a3abf216c991c5ebddcdb2c08689ecd290b , < 4b51ee8a40fe47864197d73cc02b191de7a6b072 (git) Affected: 554c0a3abf216c991c5ebddcdb2c08689ecd290b , < 729c4e72563bda0f1725db1db9ea08df06f41d9b (git) Affected: 554c0a3abf216c991c5ebddcdb2c08689ecd290b , < 1463ca3ec6601cbb097d8d87dbf5dcf1cb86a344 (git) |
|
| Linux | Linux |
Affected:
4.12
Unaffected: 0 , < 4.12 (semver) Unaffected: 5.15.212 , ≤ 5.15.* (semver) Unaffected: 6.1.178 , ≤ 6.1.* (semver) Unaffected: 6.6.145 , ≤ 6.6.* (semver) Unaffected: 6.12.97 , ≤ 6.12.* (semver) Unaffected: 6.18.40 , ≤ 6.18.* (semver) Unaffected: 7.1.4 , ≤ 7.1.* (semver) Unaffected: 7.2-rc3 , ≤ * (original_commit_for_fix) |
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CVE-2026-64442 (GCVE-0-2026-64442)
Vulnerability from cvelistv5 – Published: 2026-07-25 08:51 – Updated: 2026-08-05 12:42
VLAI
EPSS
VEX
Title
staging: rtl8723bs: fix OOB reads in IE loops in issue_assocreq() and join_cmd_hdl()
Summary
In the Linux kernel, the following vulnerability has been resolved:
staging: rtl8723bs: fix OOB reads in IE loops in issue_assocreq() and join_cmd_hdl()
Two IE parsing loops are missing the header bounds checks before they
dereference pIE->length:
- issue_assocreq() walks pmlmeinfo->network.ies to build the
association request. If the stored IE data ends with only an
element_id byte and no length byte, pIE->length is read one byte
past the end of the buffer.
- join_cmd_hdl() walks pnetwork->ies during station join and has
the same problem under the same conditions.
Both buffers are filled from AP beacon and probe-response frames, so a
malicious AP that sends a truncated final IE can trigger the issue.
Apply the two-guard pattern established in update_beacon_info():
1. Break if fewer than sizeof(*pIE) bytes remain.
2. Break if the IE's declared data extends past the buffer end.
Severity
8.1 (High)
Assigner
References
8 references
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux |
Affected:
554c0a3abf216c991c5ebddcdb2c08689ecd290b , < bc881c9915c4468747d0ca5fd1abd7b313cfb0f4
(git)
Affected: 554c0a3abf216c991c5ebddcdb2c08689ecd290b , < 605ebd94d0f469204f3c9f2f84acc71e43e2780f (git) Affected: 554c0a3abf216c991c5ebddcdb2c08689ecd290b , < a830bdc82461353bf7b1f8a2ad2689bf5d2de444 (git) Affected: 554c0a3abf216c991c5ebddcdb2c08689ecd290b , < 4c21eec80cf502d9ea18e0b946246b2376452786 (git) Affected: 554c0a3abf216c991c5ebddcdb2c08689ecd290b , < ad2637c46ef8b8ae0894372a2d39fdfcdc420a1e (git) Affected: 554c0a3abf216c991c5ebddcdb2c08689ecd290b , < c38d16b1ffac385c9e4b38447cd5c46af1114b58 (git) Affected: 554c0a3abf216c991c5ebddcdb2c08689ecd290b , < 402f13ec95945f34a210b28df1f8740d3d4a58c5 (git) Affected: 554c0a3abf216c991c5ebddcdb2c08689ecd290b , < ef61d628dfad38fead1fd2e08979ae9126d011d5 (git) |
|
| Linux | Linux |
Affected:
4.12
Unaffected: 0 , < 4.12 (semver) Unaffected: 5.10.261 , ≤ 5.10.* (semver) Unaffected: 5.15.212 , ≤ 5.15.* (semver) Unaffected: 6.1.178 , ≤ 6.1.* (semver) Unaffected: 6.6.145 , ≤ 6.6.* (semver) Unaffected: 6.12.96 , ≤ 6.12.* (semver) Unaffected: 6.18.39 , ≤ 6.18.* (semver) Unaffected: 7.1.4 , ≤ 7.1.* (semver) Unaffected: 7.2-rc3 , ≤ * (original_commit_for_fix) |
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CVE-2026-64443 (GCVE-0-2026-64443)
Vulnerability from cvelistv5 – Published: 2026-07-25 08:51 – Updated: 2026-08-05 12:42
VLAI
EPSS
VEX
Title
staging: rtl8723bs: fix OOB read in update_beacon_info() IE loop
Summary
In the Linux kernel, the following vulnerability has been resolved:
staging: rtl8723bs: fix OOB read in update_beacon_info() IE loop
The IE parsing loop in update_beacon_info() advances by
(pIE->length + 2) each iteration but only guards on i < len.
When a malicious AP sends a Beacon whose last IE has only one byte
remaining in the frame (the element_id byte lands at len-1), the loop
reads pIE->length from one byte past the allocated receive buffer.
Additionally, even when the header bytes are in bounds, pIE->length
itself can extend the data window beyond len, passing a truncated IE
to the handler functions.
Add two guards at the top of the loop body:
1. Break if fewer than sizeof(*pIE) bytes remain (can't read header).
2. Break if the IE's declared data extends past len.
Also replace i += (pIE->length + 2) with i += sizeof(*pIE) + pIE->length
for consistency with the sizeof(*pIE) guards added above.
Severity
8.1 (High)
Assigner
References
7 references
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux |
Affected:
554c0a3abf216c991c5ebddcdb2c08689ecd290b , < 5e8db4cff5b45c7c4edc8ae3f302027c3bb32b25
(git)
Affected: 554c0a3abf216c991c5ebddcdb2c08689ecd290b , < 6dd5e8c3011ebabf417257d7f07901a7c4311539 (git) Affected: 554c0a3abf216c991c5ebddcdb2c08689ecd290b , < 9193c34f75fd9e1ea8a590d7cced464c3380dc29 (git) Affected: 554c0a3abf216c991c5ebddcdb2c08689ecd290b , < bd953d52d587d42365e399b96c52dbdb13032070 (git) Affected: 554c0a3abf216c991c5ebddcdb2c08689ecd290b , < 69f174a0673b6b7a29b851adb60bc450cdc0ecc4 (git) Affected: 554c0a3abf216c991c5ebddcdb2c08689ecd290b , < b5cc2f999927f69723ca53f1f2a3aa37dbeda907 (git) Affected: 554c0a3abf216c991c5ebddcdb2c08689ecd290b , < ed51de4a86e173c3b0ef78e039c2e49e08b11f16 (git) |
|
| Linux | Linux |
Affected:
4.12
Unaffected: 0 , < 4.12 (semver) Unaffected: 5.15.212 , ≤ 5.15.* (semver) Unaffected: 6.1.178 , ≤ 6.1.* (semver) Unaffected: 6.6.145 , ≤ 6.6.* (semver) Unaffected: 6.12.96 , ≤ 6.12.* (semver) Unaffected: 6.18.39 , ≤ 6.18.* (semver) Unaffected: 7.1.4 , ≤ 7.1.* (semver) Unaffected: 7.2-rc3 , ≤ * (original_commit_for_fix) |
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CVE-2026-64444 (GCVE-0-2026-64444)
Vulnerability from cvelistv5 – Published: 2026-07-25 08:51 – Updated: 2026-08-05 12:42
VLAI
EPSS
VEX
Title
staging: rtl8723bs: fix OOB read in OnAssocRsp() IE loop
Summary
In the Linux kernel, the following vulnerability has been resolved:
staging: rtl8723bs: fix OOB read in OnAssocRsp() IE loop
The IE parsing loop in OnAssocRsp() advances by (pIE->length + 2) each
iteration but only guards on i < pkt_len. When a malicious AP sends an
AssocResponse whose last IE has only one byte remaining in the frame
(the element_id byte lands at pkt_len-1), the loop reads pIE->length
from pframe[pkt_len], which is one byte past the allocated receive buffer.
Additionally, even when the header bytes are in bounds, pIE->length
itself can extend the data window beyond pkt_len, silently passing a
truncated IE to the handler functions.
Add two guards at the top of the loop body:
1. Break if fewer than sizeof(*pIE) bytes remain (can't read header).
2. Break if the IE's declared data extends past pkt_len.
Severity
8.1 (High)
Assigner
References
7 references
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux |
Affected:
554c0a3abf216c991c5ebddcdb2c08689ecd290b , < 889ca6000ac7fa73457b041848fcb08e0d51b809
(git)
Affected: 554c0a3abf216c991c5ebddcdb2c08689ecd290b , < 1a52a05471494546f955a58e8c170c0c796c52d5 (git) Affected: 554c0a3abf216c991c5ebddcdb2c08689ecd290b , < 0406d746574e875d8778552eb674fcfbf5330bfb (git) Affected: 554c0a3abf216c991c5ebddcdb2c08689ecd290b , < 0970dd47726a57e52013594e9fbf667586eb3673 (git) Affected: 554c0a3abf216c991c5ebddcdb2c08689ecd290b , < 04f612dc03427e0b1ac80a2611b5ac0ba93ac446 (git) Affected: 554c0a3abf216c991c5ebddcdb2c08689ecd290b , < 7e7741c8315e4160aead00a60cdd6f81ab880717 (git) Affected: 554c0a3abf216c991c5ebddcdb2c08689ecd290b , < f9654207e92283e0acac5d64fe5f8835383b5a23 (git) |
|
| Linux | Linux |
Affected:
4.12
Unaffected: 0 , < 4.12 (semver) Unaffected: 5.15.212 , ≤ 5.15.* (semver) Unaffected: 6.1.178 , ≤ 6.1.* (semver) Unaffected: 6.6.145 , ≤ 6.6.* (semver) Unaffected: 6.12.96 , ≤ 6.12.* (semver) Unaffected: 6.18.39 , ≤ 6.18.* (semver) Unaffected: 7.1.4 , ≤ 7.1.* (semver) Unaffected: 7.2-rc3 , ≤ * (original_commit_for_fix) |
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CVE-2026-64445 (GCVE-0-2026-64445)
Vulnerability from cvelistv5 – Published: 2026-07-25 08:51 – Updated: 2026-08-05 12:42
VLAI
EPSS
VEX
Title
staging: rtl8723bs: fix WEP length underflow and OOB read in OnAuth()
Summary
In the Linux kernel, the following vulnerability has been resolved:
staging: rtl8723bs: fix WEP length underflow and OOB read in OnAuth()
OnAuth() has two bugs in the shared-key authentication path.
When the Privacy bit is set, rtw_wep_decrypt() is called without
verifying that the frame is long enough to contain a valid WEP IV and
ICV. Inside rtw_wep_decrypt(), length is computed as:
length = len - WLAN_HDR_A3_LEN - iv_len
and then passed as (length - 4) to crc32_le(). If len is less than
WLAN_HDR_A3_LEN + iv_len + icv_len (32 bytes), length - 4 is negative
and, after the implicit cast to size_t, causes crc32_le() to read far
beyond the frame buffer. Add a minimum length check before accessing
the IV field and calling the decryption path.
When processing a seq=3 response, rtw_get_ie() stores the Challenge
Text IE length in ie_len, but the subsequent memcmp() always reads 128
bytes regardless of ie_len. IEEE 802.11 mandates a challenge text of
exactly 128 bytes; reject any IE whose length field differs, matching
the check already applied to OnAuthClient().
Severity
8.8 (High)
Assigner
References
8 references
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux |
Affected:
554c0a3abf216c991c5ebddcdb2c08689ecd290b , < 665e1ecb68b4e8419604e70a33f02d1c8b0222c6
(git)
Affected: 554c0a3abf216c991c5ebddcdb2c08689ecd290b , < 87cccc2a767f17dcab71e3b9fe5ae29b5516c5ce (git) Affected: 554c0a3abf216c991c5ebddcdb2c08689ecd290b , < c9000c93078e5c0a5a651b077c0ec92a4bc7d580 (git) Affected: 554c0a3abf216c991c5ebddcdb2c08689ecd290b , < 1f6c9d255bdda41216b6e34c96aa2b1abee0bb84 (git) Affected: 554c0a3abf216c991c5ebddcdb2c08689ecd290b , < 3e44a7665f3abd320a80d9c64ee4a93317041b8b (git) Affected: 554c0a3abf216c991c5ebddcdb2c08689ecd290b , < 64ec4192d9c10e96922245d4a6747304cc76b19d (git) Affected: 554c0a3abf216c991c5ebddcdb2c08689ecd290b , < d90b9f39f375c9826ef145605dfe97765d0ecb91 (git) Affected: 554c0a3abf216c991c5ebddcdb2c08689ecd290b , < a1fc19d61f661d47204f095b593de507884849f7 (git) |
|
| Linux | Linux |
Affected:
4.12
Unaffected: 0 , < 4.12 (semver) Unaffected: 5.10.261 , ≤ 5.10.* (semver) Unaffected: 5.15.212 , ≤ 5.15.* (semver) Unaffected: 6.1.178 , ≤ 6.1.* (semver) Unaffected: 6.6.145 , ≤ 6.6.* (semver) Unaffected: 6.12.96 , ≤ 6.12.* (semver) Unaffected: 6.18.39 , ≤ 6.18.* (semver) Unaffected: 7.1.4 , ≤ 7.1.* (semver) Unaffected: 7.2-rc3 , ≤ * (original_commit_for_fix) |
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CVE-2026-64446 (GCVE-0-2026-64446)
Vulnerability from cvelistv5 – Published: 2026-07-25 08:51 – Updated: 2026-07-25 08:51
VLAI
EPSS
VEX
Title
staging: rtl8723bs: fix heap buffer overflow in rtw_cfg80211_set_wpa_ie()
Summary
In the Linux kernel, the following vulnerability has been resolved:
staging: rtl8723bs: fix heap buffer overflow in rtw_cfg80211_set_wpa_ie()
supplicant_ie is a 256-byte array in struct security_priv. The WPA and
WPA2 IE copy paths use:
memcpy(padapter->securitypriv.supplicant_ie, &pwpa[0], wpa_ielen + 2);
where wpa_ielen is the raw IE length field (u8, 0-255). When a local user
supplies a connect request via nl80211 with a crafted WPA IE of length 255,
wpa_ielen + 2 equals 257, overflowing the 256-byte buffer by one byte into
the adjacent last_mic_err_time field.
rtw_parse_wpa_ie() does not prevent this: its length consistency check
compares *(wpa_ie+1) against (u8)(wpa_ie_len-2), which is (u8)(255) == 255
when wpa_ie_len = 257, so the check passes silently.
Add explicit bounds checks for both the WPA and WPA2 paths before the
memcpy, rejecting any IE whose total size (wpa_ielen + 2) exceeds the
supplicant_ie buffer.
Severity
No CVSS data available.
Assigner
References
8 references
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux |
Affected:
554c0a3abf216c991c5ebddcdb2c08689ecd290b , < a94a643a80a84ceb8139061c3d6bf988d75e45a5
(git)
Affected: 554c0a3abf216c991c5ebddcdb2c08689ecd290b , < 2131621986c62c86109ce4d84cf73a73757eb8a6 (git) Affected: 554c0a3abf216c991c5ebddcdb2c08689ecd290b , < 6f20d7b0ee47c470734a69379b0fc6647c519603 (git) Affected: 554c0a3abf216c991c5ebddcdb2c08689ecd290b , < 5d7812360abf3143afcbf5efe4ef242448fa1f28 (git) Affected: 554c0a3abf216c991c5ebddcdb2c08689ecd290b , < 46f66c16a95191d9aca07a72ae6b1252a244e26c (git) Affected: 554c0a3abf216c991c5ebddcdb2c08689ecd290b , < b9c4bf133c3c47e23baf4f5403b98a953bf58606 (git) Affected: 554c0a3abf216c991c5ebddcdb2c08689ecd290b , < 138cd190efd56ab36c9fdd8fef8749d06937f24b (git) Affected: 554c0a3abf216c991c5ebddcdb2c08689ecd290b , < 5a752a616e756844388a1a45404db9fc29fec655 (git) |
|
| Linux | Linux |
Affected:
4.12
Unaffected: 0 , < 4.12 (semver) Unaffected: 5.10.261 , ≤ 5.10.* (semver) Unaffected: 5.15.212 , ≤ 5.15.* (semver) Unaffected: 6.1.178 , ≤ 6.1.* (semver) Unaffected: 6.6.145 , ≤ 6.6.* (semver) Unaffected: 6.12.96 , ≤ 6.12.* (semver) Unaffected: 6.18.39 , ≤ 6.18.* (semver) Unaffected: 7.1.4 , ≤ 7.1.* (semver) Unaffected: 7.2-rc3 , ≤ * (original_commit_for_fix) |
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"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nstaging: rtl8723bs: fix heap buffer overflow in rtw_cfg80211_set_wpa_ie()\n\nsupplicant_ie is a 256-byte array in struct security_priv. The WPA and\nWPA2 IE copy paths use:\n\n memcpy(padapter-\u003esecuritypriv.supplicant_ie, \u0026pwpa[0], wpa_ielen + 2);\n\nwhere wpa_ielen is the raw IE length field (u8, 0-255). When a local user\nsupplies a connect request via nl80211 with a crafted WPA IE of length 255,\nwpa_ielen + 2 equals 257, overflowing the 256-byte buffer by one byte into\nthe adjacent last_mic_err_time field.\n\nrtw_parse_wpa_ie() does not prevent this: its length consistency check\ncompares *(wpa_ie+1) against (u8)(wpa_ie_len-2), which is (u8)(255) == 255\nwhen wpa_ie_len = 257, so the check passes silently.\n\nAdd explicit bounds checks for both the WPA and WPA2 paths before the\nmemcpy, rejecting any IE whose total size (wpa_ielen + 2) exceeds the\nsupplicant_ie buffer."
}
],
"providerMetadata": {
"dateUpdated": "2026-07-25T08:51:17.402Z",
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"title": "staging: rtl8723bs: fix heap buffer overflow in rtw_cfg80211_set_wpa_ie()",
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"datePublished": "2026-07-25T08:51:17.402Z",
"dateReserved": "2026-07-19T15:36:31.788Z",
"dateUpdated": "2026-07-25T08:51:17.402Z",
"state": "PUBLISHED"
},
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}
CVE-2026-64448 (GCVE-0-2026-64448)
Vulnerability from cvelistv5 – Published: 2026-07-25 08:51 – Updated: 2026-08-05 12:42
VLAI
EPSS
VEX
Title
smb: client: restrict implied bcc[0] exemption to responses without data area
Summary
In the Linux kernel, the following vulnerability has been resolved:
smb: client: restrict implied bcc[0] exemption to responses without data area
smb2_check_message() has a long-standing quirk that accepts a response
whose calculated length is one byte larger than the bytes actually
received ("server can return one byte more due to implied bcc[0]").
This was introduced to accommodate servers that omit the trailing bcc[0]
overlap byte when no data area is present.
However, the exemption is applied unconditionally, regardless of whether
the command actually carries a data area (has_smb2_data_area[]). When a
response with a data area is subject to the +1 exemption, the reported
data can extend one byte beyond the bytes actually received, yet
smb2_check_message() still accepts it. The subsequent decoder then reads
past the end of the receive buffer. This is reachable during NEGOTIATE
and SESSION_SETUP, before the session is established.
The resulting out-of-bounds reads are visible under KASAN when mounting
against a non-conforming server; both the SPNEGO/negTokenInit and the
NTLMSSP challenge decoders are affected:
BUG: KASAN: slab-out-of-bounds in asn1_ber_decoder+0x16a7/0x1b00
Read of size 1 at addr ffff8880084d67c0 by task mount.cifs/81
CPU: 1 UID: 0 PID: 81 Comm: mount.cifs Not tainted 7.1.0-rc6 #1
Call Trace:
<TASK>
dump_stack_lvl+0x4e/0x70
print_report+0x157/0x4c9
kasan_report+0xce/0x100
asn1_ber_decoder+0x16a7/0x1b00
decode_negTokenInit+0x19/0x30
SMB2_negotiate+0x31d9/0x4c90
cifs_negotiate_protocol+0x1f2/0x3f0
cifs_get_smb_ses+0x93f/0x17e0
cifs_mount_get_session+0x7f/0x3a0
cifs_mount+0xb4/0xcf0
cifs_smb3_do_mount+0x23a/0x1500
smb3_get_tree+0x3b0/0x630
vfs_get_tree+0x82/0x2d0
fc_mount+0x10/0x1b0
path_mount+0x50d/0x1de0
__x64_sys_mount+0x20b/0x270
do_syscall_64+0xee/0x590
entry_SYSCALL_64_after_hwframe+0x77/0x7f
</TASK>
Allocated by task 85:
kmem_cache_alloc_noprof+0x106/0x380
mempool_alloc_noprof+0x116/0x1e0
cifs_small_buf_get+0x31/0x80
allocate_buffers+0x10d/0x2b0
cifs_demultiplex_thread+0x1d5/0x1d50
kthread+0x2c6/0x390
ret_from_fork+0x36e/0x5a0
ret_from_fork_asm+0x1a/0x30
The buggy address is located 0 bytes to the right of
allocated 448-byte region [ffff8880084d6600, ffff8880084d67c0)
which belongs to the cache cifs_small_rq of size 448
BUG: KASAN: slab-out-of-bounds in kmemdup_noprof+0x36/0x50
Read of size 329 at addr ffff88800726c678 by task mount.cifs/89
CPU: 0 UID: 0 PID: 89 Comm: mount.cifs Tainted: G B 7.1.0-rc6 #1
Call Trace:
<TASK>
dump_stack_lvl+0x4e/0x70
print_report+0x157/0x4c9
kasan_report+0xce/0x100
kasan_check_range+0x10f/0x1e0
__asan_memcpy+0x23/0x60
kmemdup_noprof+0x36/0x50
decode_ntlmssp_challenge+0x457/0x680
SMB2_sess_auth_rawntlmssp_negotiate+0x6f0/0xcb0
SMB2_sess_setup+0x219/0x4f0
cifs_setup_session+0x248/0xaf0
cifs_get_smb_ses+0xf79/0x17e0
cifs_mount_get_session+0x7f/0x3a0
cifs_mount+0xb4/0xcf0
cifs_smb3_do_mount+0x23a/0x1500
smb3_get_tree+0x3b0/0x630
vfs_get_tree+0x82/0x2d0
fc_mount+0x10/0x1b0
path_mount+0x50d/0x1de0
__x64_sys_mount+0x20b/0x270
do_syscall_64+0xee/0x590
entry_SYSCALL_64_after_hwframe+0x77/0x7f
</TASK>
Allocated by task 93:
kmem_cache_alloc_noprof+0x106/0x380
mempool_alloc_noprof+0x116/0x1e0
cifs_small_buf_get+0x31/0x80
allocate_buffers+0x10d/0x2b0
cifs_demultiplex_thread+0x1d5/0x1d50
kthread+0x2c6/0x390
ret_from_fork+0x36e/0x5a0
ret_from_fork_asm+0x1a/0x30
The buggy address is located 120 bytes inside of
allocated 448-byte region [ffff88800726c600, ffff88800726c7c0)
which belongs to the cache cifs_small_rq of size 448
Restrict the +1 exemption to responses that have no data area, so that
it still covers the bcc[0] omission it was meant for. When a data area
is present, the +1 discrepancy instead means the reported data length
overruns the
---truncated---
Severity
8.2 (High)
Assigner
References
8 references
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux |
Affected:
093b2bdad3221e3fae3c26d89387e7297a157664 , < 8d0bbc78046d264bbf6a574ea6f9072258a43e35
(git)
Affected: 093b2bdad3221e3fae3c26d89387e7297a157664 , < b6a381c01e2ac98a48e32ac0f2a45bbadd9e26b0 (git) Affected: 093b2bdad3221e3fae3c26d89387e7297a157664 , < 31c6312608c60b72a1feb99a5afb680645a3e8a3 (git) Affected: 093b2bdad3221e3fae3c26d89387e7297a157664 , < 573e502d14714d2947e22e7eff40ec20a6a44a42 (git) Affected: 093b2bdad3221e3fae3c26d89387e7297a157664 , < 419ec1b604d7fb60c10aec2dc062371f9fcd4940 (git) Affected: 093b2bdad3221e3fae3c26d89387e7297a157664 , < ceb875a375dedbf51c9425c1d13a2d7a8435c08c (git) Affected: 093b2bdad3221e3fae3c26d89387e7297a157664 , < 6e9d10f62773b99bd927940fd9cbdfe7207e23ff (git) Affected: 093b2bdad3221e3fae3c26d89387e7297a157664 , < 53b7c271f06be4dd5cfc8c6ef552a8355c891a7f (git) |
|
| Linux | Linux |
Affected:
3.6
Unaffected: 0 , < 3.6 (semver) Unaffected: 5.10.261 , ≤ 5.10.* (semver) Unaffected: 5.15.212 , ≤ 5.15.* (semver) Unaffected: 6.1.178 , ≤ 6.1.* (semver) Unaffected: 6.6.145 , ≤ 6.6.* (semver) Unaffected: 6.12.96 , ≤ 6.12.* (semver) Unaffected: 6.18.39 , ≤ 6.18.* (semver) Unaffected: 7.1.4 , ≤ 7.1.* (semver) Unaffected: 7.2-rc3 , ≤ * (original_commit_for_fix) |
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},
{
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{
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"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"vulnerable": true
}
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}
],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nsmb: client: restrict implied bcc[0] exemption to responses without data area\n\nsmb2_check_message() has a long-standing quirk that accepts a response\nwhose calculated length is one byte larger than the bytes actually\nreceived (\"server can return one byte more due to implied bcc[0]\").\nThis was introduced to accommodate servers that omit the trailing bcc[0]\noverlap byte when no data area is present.\n\nHowever, the exemption is applied unconditionally, regardless of whether\nthe command actually carries a data area (has_smb2_data_area[]). When a\nresponse with a data area is subject to the +1 exemption, the reported\ndata can extend one byte beyond the bytes actually received, yet\nsmb2_check_message() still accepts it. The subsequent decoder then reads\npast the end of the receive buffer. This is reachable during NEGOTIATE\nand SESSION_SETUP, before the session is established.\n\nThe resulting out-of-bounds reads are visible under KASAN when mounting\nagainst a non-conforming server; both the SPNEGO/negTokenInit and the\nNTLMSSP challenge decoders are affected:\n\n BUG: KASAN: slab-out-of-bounds in asn1_ber_decoder+0x16a7/0x1b00\n Read of size 1 at addr ffff8880084d67c0 by task mount.cifs/81\n CPU: 1 UID: 0 PID: 81 Comm: mount.cifs Not tainted 7.1.0-rc6 #1\n Call Trace:\n \u003cTASK\u003e\n dump_stack_lvl+0x4e/0x70\n print_report+0x157/0x4c9\n kasan_report+0xce/0x100\n asn1_ber_decoder+0x16a7/0x1b00\n decode_negTokenInit+0x19/0x30\n SMB2_negotiate+0x31d9/0x4c90\n cifs_negotiate_protocol+0x1f2/0x3f0\n cifs_get_smb_ses+0x93f/0x17e0\n cifs_mount_get_session+0x7f/0x3a0\n cifs_mount+0xb4/0xcf0\n cifs_smb3_do_mount+0x23a/0x1500\n smb3_get_tree+0x3b0/0x630\n vfs_get_tree+0x82/0x2d0\n fc_mount+0x10/0x1b0\n path_mount+0x50d/0x1de0\n __x64_sys_mount+0x20b/0x270\n do_syscall_64+0xee/0x590\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\n \u003c/TASK\u003e\n Allocated by task 85:\n kmem_cache_alloc_noprof+0x106/0x380\n mempool_alloc_noprof+0x116/0x1e0\n cifs_small_buf_get+0x31/0x80\n allocate_buffers+0x10d/0x2b0\n cifs_demultiplex_thread+0x1d5/0x1d50\n kthread+0x2c6/0x390\n ret_from_fork+0x36e/0x5a0\n ret_from_fork_asm+0x1a/0x30\n The buggy address is located 0 bytes to the right of\n allocated 448-byte region [ffff8880084d6600, ffff8880084d67c0)\n which belongs to the cache cifs_small_rq of size 448\n\n BUG: KASAN: slab-out-of-bounds in kmemdup_noprof+0x36/0x50\n Read of size 329 at addr ffff88800726c678 by task mount.cifs/89\n CPU: 0 UID: 0 PID: 89 Comm: mount.cifs Tainted: G B 7.1.0-rc6 #1\n Call Trace:\n \u003cTASK\u003e\n dump_stack_lvl+0x4e/0x70\n print_report+0x157/0x4c9\n kasan_report+0xce/0x100\n kasan_check_range+0x10f/0x1e0\n __asan_memcpy+0x23/0x60\n kmemdup_noprof+0x36/0x50\n decode_ntlmssp_challenge+0x457/0x680\n SMB2_sess_auth_rawntlmssp_negotiate+0x6f0/0xcb0\n SMB2_sess_setup+0x219/0x4f0\n cifs_setup_session+0x248/0xaf0\n cifs_get_smb_ses+0xf79/0x17e0\n cifs_mount_get_session+0x7f/0x3a0\n cifs_mount+0xb4/0xcf0\n cifs_smb3_do_mount+0x23a/0x1500\n smb3_get_tree+0x3b0/0x630\n vfs_get_tree+0x82/0x2d0\n fc_mount+0x10/0x1b0\n path_mount+0x50d/0x1de0\n __x64_sys_mount+0x20b/0x270\n do_syscall_64+0xee/0x590\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\n \u003c/TASK\u003e\n Allocated by task 93:\n kmem_cache_alloc_noprof+0x106/0x380\n mempool_alloc_noprof+0x116/0x1e0\n cifs_small_buf_get+0x31/0x80\n allocate_buffers+0x10d/0x2b0\n cifs_demultiplex_thread+0x1d5/0x1d50\n kthread+0x2c6/0x390\n ret_from_fork+0x36e/0x5a0\n ret_from_fork_asm+0x1a/0x30\n The buggy address is located 120 bytes inside of\n allocated 448-byte region [ffff88800726c600, ffff88800726c7c0)\n which belongs to the cache cifs_small_rq of size 448\n\nRestrict the +1 exemption to responses that have no data area, so that\nit still covers the bcc[0] omission it was meant for. When a data area\nis present, the +1 discrepancy instead means the reported data length\noverruns the\n---truncated---"
}
],
"metrics": [
{
"cvssV3_1": {
"baseScore": 8.2,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H",
"version": "3.1"
},
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"lang": "en",
"value": "AV:N - A malicious or compromised SMB server can trigger the flaw through crafted TCP responses, typically over port 445.\nAC:L - The server directly controls the frame length, data offset, and declared data length, so no race or condition outside the attacker\u0027s control is required.\nPR:N - NEGOTIATE and SESSION_SETUP responses are processed before authentication and signature verification, requiring no attacker credentials or local capabilities.\nUI:N - An existing persistent SMB mount automatically renegotiates after a server-induced reconnect, allowing exploitation without contemporaneous user action.\nS:U - The vulnerable SMB decoder and resulting kernel impact remain within the host kernel\u0027s security authority.\nC:L - The discrepancy permits exactly one byte beyond the received data to be read; the NTLM path can preserve and reflect that byte in subsequent authentication data, but the disclosure is strictly bounded.\nI:N - The flaw performs an out-of-bounds read and copies data into valid allocations; it provides no out-of-bounds write or other demonstrated memory-modification primitive.\nA:H - The demonstrated slab out-of-bounds access raises a KASAN BUG and can panic hardened kernels, and a malicious peer can retrigger it during negotiation or reconnection."
}
]
}
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"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"url": "https://git.kernel.org/stable/c/8d0bbc78046d264bbf6a574ea6f9072258a43e35"
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"url": "https://git.kernel.org/stable/c/573e502d14714d2947e22e7eff40ec20a6a44a42"
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{
"url": "https://git.kernel.org/stable/c/419ec1b604d7fb60c10aec2dc062371f9fcd4940"
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{
"url": "https://git.kernel.org/stable/c/ceb875a375dedbf51c9425c1d13a2d7a8435c08c"
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{
"url": "https://git.kernel.org/stable/c/6e9d10f62773b99bd927940fd9cbdfe7207e23ff"
},
{
"url": "https://git.kernel.org/stable/c/53b7c271f06be4dd5cfc8c6ef552a8355c891a7f"
}
],
"title": "smb: client: restrict implied bcc[0] exemption to responses without data area",
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"assignerShortName": "Linux",
"cveId": "CVE-2026-64448",
"datePublished": "2026-07-25T08:51:18.796Z",
"dateReserved": "2026-07-19T15:36:31.788Z",
"dateUpdated": "2026-08-05T12:42:11.868Z",
"state": "PUBLISHED"
},
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}
CVE-2026-64449 (GCVE-0-2026-64449)
Vulnerability from cvelistv5 – Published: 2026-07-25 08:51 – Updated: 2026-08-05 12:42
VLAI
EPSS
VEX
Title
staging: vme_user: bound slave read/write to the kern_buf size
Summary
In the Linux kernel, the following vulnerability has been resolved:
staging: vme_user: bound slave read/write to the kern_buf size
The SLAVE-path helpers buffer_to_user() and buffer_from_user() copy
'count' bytes into/out of the fixed-size kern_buf (size_buf ==
PCI_BUF_SIZE == 0x20000, 128 KiB) using *ppos as the offset, without
bounding *ppos + count against size_buf.
vme_user_write()/vme_user_read() only clamp count to the VME window size
(image_size = vme_get_size(resource)), which VME_SET_SLAVE sets from the
user-supplied slave.size -- validated against the VME address space (up
to VME_A32_MAX = 4 GiB), not against PCI_BUF_SIZE. When the window
exceeds 128 KiB, a write()/read() copies past the kern_buf allocation.
Clamp count against size_buf in both helpers, with an early return when
*ppos is already at/after the buffer end. *ppos is >= 0 here (the caller
rejects negative offsets), so size_buf - *ppos cannot wrap. This mirrors
the existing clamp in the MASTER-path helpers resource_to_user() /
resource_from_user(), and matches the read()/write() convention of a
short transfer at end-of-buffer.
Found by static analysis (CodeQL taint tracking + CBMC bounded model
checking) and confirmed dynamically under KASAN with the vme_fake bridge:
BUG: KASAN: slab-out-of-bounds in _copy_from_user+0x2d/0x80
Write of size 262144 at addr ffff888004100000 by task trigger/68
_copy_from_user+0x2d/0x80
vme_user_write+0x13e/0x240 [vme_user]
vfs_write+0x1b8/0x7a0
ksys_write+0xb8/0x150
Severity
7.8 (High)
Assigner
References
6 references
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux |
Affected:
f00a86d98a1ec3e99d352cda926fab767ba43b1f , < 65358d89dc9f1c25d9364b2b3ef0f3b47717f9ed
(git)
Affected: f00a86d98a1ec3e99d352cda926fab767ba43b1f , < adc8b9c30d716c362646edb45662aa1c641a154a (git) Affected: f00a86d98a1ec3e99d352cda926fab767ba43b1f , < 8eff7cd4817e14dbe3b9952cce55ef52d1d38940 (git) Affected: f00a86d98a1ec3e99d352cda926fab767ba43b1f , < e99f2df433c63c86c93de1e5f08f16e404388756 (git) Affected: f00a86d98a1ec3e99d352cda926fab767ba43b1f , < 1b495fa0d4927c88d88bf346bf311f2e26e860ed (git) Affected: f00a86d98a1ec3e99d352cda926fab767ba43b1f , < 9f32f38265014fac7f5dc9490fb01a638ce6e121 (git) |
|
| Linux | Linux |
Affected:
2.6.32
Unaffected: 0 , < 2.6.32 (semver) Unaffected: 6.1.178 , ≤ 6.1.* (semver) Unaffected: 6.6.145 , ≤ 6.6.* (semver) Unaffected: 6.12.96 , ≤ 6.12.* (semver) Unaffected: 6.18.39 , ≤ 6.18.* (semver) Unaffected: 7.1.4 , ≤ 7.1.* (semver) Unaffected: 7.2-rc3 , ≤ * (original_commit_for_fix) |
{
"containers": {
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "Linux",
"programFiles": [
"drivers/staging/vme_user/vme_user.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
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"versionType": "git"
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"version": "f00a86d98a1ec3e99d352cda926fab767ba43b1f",
"versionType": "git"
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{
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"status": "affected",
"version": "f00a86d98a1ec3e99d352cda926fab767ba43b1f",
"versionType": "git"
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{
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"status": "affected",
"version": "f00a86d98a1ec3e99d352cda926fab767ba43b1f",
"versionType": "git"
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{
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"status": "affected",
"version": "f00a86d98a1ec3e99d352cda926fab767ba43b1f",
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"versionType": "git"
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]
},
{
"defaultStatus": "affected",
"product": "Linux",
"programFiles": [
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],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"status": "affected",
"version": "2.6.32"
},
{
"lessThan": "2.6.32",
"status": "unaffected",
"version": "0",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"version": "6.1.178",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.6.*",
"status": "unaffected",
"version": "6.6.145",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.12.*",
"status": "unaffected",
"version": "6.12.96",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.18.*",
"status": "unaffected",
"version": "6.18.39",
"versionType": "semver"
},
{
"lessThanOrEqual": "7.1.*",
"status": "unaffected",
"version": "7.1.4",
"versionType": "semver"
},
{
"lessThanOrEqual": "*",
"status": "unaffected",
"version": "7.2-rc3",
"versionType": "original_commit_for_fix"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
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},
{
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"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nstaging: vme_user: bound slave read/write to the kern_buf size\n\nThe SLAVE-path helpers buffer_to_user() and buffer_from_user() copy\n\u0027count\u0027 bytes into/out of the fixed-size kern_buf (size_buf ==\nPCI_BUF_SIZE == 0x20000, 128 KiB) using *ppos as the offset, without\nbounding *ppos + count against size_buf.\n\nvme_user_write()/vme_user_read() only clamp count to the VME window size\n(image_size = vme_get_size(resource)), which VME_SET_SLAVE sets from the\nuser-supplied slave.size -- validated against the VME address space (up\nto VME_A32_MAX = 4 GiB), not against PCI_BUF_SIZE. When the window\nexceeds 128 KiB, a write()/read() copies past the kern_buf allocation.\n\nClamp count against size_buf in both helpers, with an early return when\n*ppos is already at/after the buffer end. *ppos is \u003e= 0 here (the caller\nrejects negative offsets), so size_buf - *ppos cannot wrap. This mirrors\nthe existing clamp in the MASTER-path helpers resource_to_user() /\nresource_from_user(), and matches the read()/write() convention of a\nshort transfer at end-of-buffer.\n\nFound by static analysis (CodeQL taint tracking + CBMC bounded model\nchecking) and confirmed dynamically under KASAN with the vme_fake bridge:\n\n BUG: KASAN: slab-out-of-bounds in _copy_from_user+0x2d/0x80\n Write of size 262144 at addr ffff888004100000 by task trigger/68\n _copy_from_user+0x2d/0x80\n vme_user_write+0x13e/0x240 [vme_user]\n vfs_write+0x1b8/0x7a0\n ksys_write+0xb8/0x150"
}
],
"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"
},
"scenarios": [
{
"lang": "en",
"value": "AV:L - The vulnerable path is reached through ioctl(), lseek(), read(), and write() on a local /dev/bus/vme/s* character device. Network or physical VME-bus input is not needed.\nAC:L - The attacker can deterministically configure an aligned slave window larger than 128 KiB and select the copy offset and length; no race or external condition is required. A 256 KiB overflow was dynamically confirmed under KASAN.\nPR:L - The driver performs no capability or namespace-specific check, so an ordinary account granted access to the VME device node can configure and trigger the flaw. Although devtmpfs defaults to root-owned mode 0600, non-root access for an industrial control or service account is a reasonable deployment.\nUI:N - The attacker independently performs the configuration and malicious read or write without requiring any victim action.\nS:U - Exploitation compromises the host kernel within the same security authority. This is a standard local privilege-escalation condition, not a VM, sandbox, or IOMMU boundary escape.\nC:H - The read path copies an attacker-selected, potentially very large range of kernel memory beyond the 128 KiB allocation to userspace. This can disclose adjacent allocations, kernel pointers, credentials, and other sensitive memory.\nI:H - The write path copies attacker-controlled bytes beyond the DMA or large-kmalloc allocation, potentially across many adjacent physical pages. This provides exploitable memory corruption capable of modifying kernel objects or achieving control-flow hijacking.\nA:H - The out-of-bounds write was confirmed to trigger a KASAN kernel memory-safety failure and can corrupt or access invalid adjacent memory. A kernel oops or panic can be triggered without user interaction."
}
]
}
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],
"title": "staging: vme_user: bound slave read/write to the kern_buf size",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
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"cveId": "CVE-2026-64449",
"datePublished": "2026-07-25T08:51:19.537Z",
"dateReserved": "2026-07-19T15:36:31.788Z",
"dateUpdated": "2026-08-05T12:42:12.938Z",
"state": "PUBLISHED"
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CVE-2026-64450 (GCVE-0-2026-64450)
Vulnerability from cvelistv5 – Published: 2026-07-25 08:51 – Updated: 2026-08-05 12:42
VLAI
EPSS
VEX
Title
tipc: fix out-of-bounds read in broadcast Gap ACK blocks
Summary
In the Linux kernel, the following vulnerability has been resolved:
tipc: fix out-of-bounds read in broadcast Gap ACK blocks
A broadcast PROTOCOL/STATE_MSG can carry a Gap ACK blocks record in its
data area. tipc_get_gap_ack_blks() only verifies that the record's len
field is self-consistent with its ugack_cnt/bgack_cnt counts
(sz == struct_size(p, gacks, ugack_cnt + bgack_cnt)); it does not check
that the record actually fits in the message data area, msg_data_sz().
The unicast caller tipc_link_proto_rcv() bounds it ("if (glen > dlen)
break;"), but the broadcast caller tipc_bcast_sync_rcv() discards the
returned size, so tipc_link_advance_transmq() copies the record off the
receive skb with an attacker-controlled count:
this_ga = kmemdup(ga, struct_size(ga, gacks, ga->bgack_cnt),
GFP_ATOMIC);
A TIPC neighbour that negotiated TIPC_GAP_ACK_BLOCK triggers it with one
ordinary broadcast STATE_MSG (msg_bc_ack_invalid() clear), sized so its
data area is short, carrying a Gap ACK record with len = 0x400,
bgack_cnt = 0xff and ugack_cnt = 0. len then equals
struct_size(p, gacks, 255), so the consistency check passes and ga is
non-NULL; kmemdup() reads struct_size(ga, gacks, 255) = 1024 bytes out
of the much smaller skb:
BUG: KASAN: slab-out-of-bounds in kmemdup_noprof+0x48/0x60
Read of size 1024 at addr ffff0000c7030d38 by task poc864/69
Call trace:
kmemdup_noprof+0x48/0x60
tipc_link_advance_transmq+0x86c/0xb80
tipc_link_bc_ack_rcv+0x19c/0x1e0
tipc_bcast_sync_rcv+0x1c4/0x2c4
tipc_rcv+0x85c/0x1340
tipc_l2_rcv_msg+0xac/0x104
The buggy address belongs to the object at ffff0000c7030d00
which belongs to the cache skbuff_small_head of size 704
The buggy address is located 56 bytes inside of
allocated 704-byte region [ffff0000c7030d00, ffff0000c7030fc0)
The copied-out bytes are subsequently consumed as gap/ack values, but
the read is already out of bounds at the kmemdup() regardless of how
they are used.
The unicast STATE path drops such a message: "if (glen > dlen) break;"
skips the rest of STATE_MSG handling and the skb is freed. Make the
broadcast path drop it too. tipc_bcast_sync_rcv() now bounds the record
against msg_data_sz() and, when it does not fit, reports it back through
tipc_node_bc_sync_rcv() to tipc_rcv() so the skb is discarded rather than
processed. ga is not cleared on this path: ga == NULL already means
"legacy peer without Selective ACK", a distinct legitimate state.
Severity
9.1 (Critical)
Assigner
References
8 references
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux |
Affected:
d7626b5acff9227e2a65da636a53e09bdafdc0aa , < 055663d21dc4336f67933ab26bef3c5934be6324
(git)
Affected: d7626b5acff9227e2a65da636a53e09bdafdc0aa , < 016f5995c37a5a2c45198308f830f244517d70b7 (git) Affected: d7626b5acff9227e2a65da636a53e09bdafdc0aa , < 74b45af86a767594ba52330cd440ea84e24d700d (git) Affected: d7626b5acff9227e2a65da636a53e09bdafdc0aa , < 9a51115fcdc78687c8852bf93a1db3951dbb223b (git) Affected: d7626b5acff9227e2a65da636a53e09bdafdc0aa , < a21ed5064217cc33726da6c7ef1a520eba43aea1 (git) Affected: d7626b5acff9227e2a65da636a53e09bdafdc0aa , < 2de42e268174766cb2e2b90721afdfdff70e0d8d (git) Affected: d7626b5acff9227e2a65da636a53e09bdafdc0aa , < f333b6851bdf326fd2134133272dbbed0c94d921 (git) Affected: d7626b5acff9227e2a65da636a53e09bdafdc0aa , < 2b66974a1b6134a4bbc3bfed181f7418f688eb54 (git) |
|
| Linux | Linux |
Affected:
5.8
Unaffected: 0 , < 5.8 (semver) Unaffected: 5.10.261 , ≤ 5.10.* (semver) Unaffected: 5.15.212 , ≤ 5.15.* (semver) Unaffected: 6.1.178 , ≤ 6.1.* (semver) Unaffected: 6.6.145 , ≤ 6.6.* (semver) Unaffected: 6.12.96 , ≤ 6.12.* (semver) Unaffected: 6.18.39 , ≤ 6.18.* (semver) Unaffected: 7.1.4 , ≤ 7.1.* (semver) Unaffected: 7.2-rc2 , ≤ * (original_commit_for_fix) |
{
"containers": {
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "Linux",
"programFiles": [
"net/tipc/bcast.c",
"net/tipc/bcast.h",
"net/tipc/node.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"lessThan": "055663d21dc4336f67933ab26bef3c5934be6324",
"status": "affected",
"version": "d7626b5acff9227e2a65da636a53e09bdafdc0aa",
"versionType": "git"
},
{
"lessThan": "016f5995c37a5a2c45198308f830f244517d70b7",
"status": "affected",
"version": "d7626b5acff9227e2a65da636a53e09bdafdc0aa",
"versionType": "git"
},
{
"lessThan": "74b45af86a767594ba52330cd440ea84e24d700d",
"status": "affected",
"version": "d7626b5acff9227e2a65da636a53e09bdafdc0aa",
"versionType": "git"
},
{
"lessThan": "9a51115fcdc78687c8852bf93a1db3951dbb223b",
"status": "affected",
"version": "d7626b5acff9227e2a65da636a53e09bdafdc0aa",
"versionType": "git"
},
{
"lessThan": "a21ed5064217cc33726da6c7ef1a520eba43aea1",
"status": "affected",
"version": "d7626b5acff9227e2a65da636a53e09bdafdc0aa",
"versionType": "git"
},
{
"lessThan": "2de42e268174766cb2e2b90721afdfdff70e0d8d",
"status": "affected",
"version": "d7626b5acff9227e2a65da636a53e09bdafdc0aa",
"versionType": "git"
},
{
"lessThan": "f333b6851bdf326fd2134133272dbbed0c94d921",
"status": "affected",
"version": "d7626b5acff9227e2a65da636a53e09bdafdc0aa",
"versionType": "git"
},
{
"lessThan": "2b66974a1b6134a4bbc3bfed181f7418f688eb54",
"status": "affected",
"version": "d7626b5acff9227e2a65da636a53e09bdafdc0aa",
"versionType": "git"
}
]
},
{
"defaultStatus": "affected",
"product": "Linux",
"programFiles": [
"net/tipc/bcast.c",
"net/tipc/bcast.h",
"net/tipc/node.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"status": "affected",
"version": "5.8"
},
{
"lessThan": "5.8",
"status": "unaffected",
"version": "0",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.10.*",
"status": "unaffected",
"version": "5.10.261",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.15.*",
"status": "unaffected",
"version": "5.15.212",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"version": "6.1.178",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.6.*",
"status": "unaffected",
"version": "6.6.145",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.12.*",
"status": "unaffected",
"version": "6.12.96",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.18.*",
"status": "unaffected",
"version": "6.18.39",
"versionType": "semver"
},
{
"lessThanOrEqual": "7.1.*",
"status": "unaffected",
"version": "7.1.4",
"versionType": "semver"
},
{
"lessThanOrEqual": "*",
"status": "unaffected",
"version": "7.2-rc2",
"versionType": "original_commit_for_fix"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "5.10.261",
"versionStartIncluding": "5.8",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "5.15.212",
"versionStartIncluding": "5.8",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.1.178",
"versionStartIncluding": "5.8",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.6.145",
"versionStartIncluding": "5.8",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.12.96",
"versionStartIncluding": "5.8",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.18.39",
"versionStartIncluding": "5.8",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "7.1.4",
"versionStartIncluding": "5.8",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "7.2-rc2",
"versionStartIncluding": "5.8",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\ntipc: fix out-of-bounds read in broadcast Gap ACK blocks\n\nA broadcast PROTOCOL/STATE_MSG can carry a Gap ACK blocks record in its\ndata area. tipc_get_gap_ack_blks() only verifies that the record\u0027s len\nfield is self-consistent with its ugack_cnt/bgack_cnt counts\n(sz == struct_size(p, gacks, ugack_cnt + bgack_cnt)); it does not check\nthat the record actually fits in the message data area, msg_data_sz().\n\nThe unicast caller tipc_link_proto_rcv() bounds it (\"if (glen \u003e dlen)\nbreak;\"), but the broadcast caller tipc_bcast_sync_rcv() discards the\nreturned size, so tipc_link_advance_transmq() copies the record off the\nreceive skb with an attacker-controlled count:\n\n\tthis_ga = kmemdup(ga, struct_size(ga, gacks, ga-\u003ebgack_cnt),\n\t\t\t GFP_ATOMIC);\n\nA TIPC neighbour that negotiated TIPC_GAP_ACK_BLOCK triggers it with one\nordinary broadcast STATE_MSG (msg_bc_ack_invalid() clear), sized so its\ndata area is short, carrying a Gap ACK record with len = 0x400,\nbgack_cnt = 0xff and ugack_cnt = 0. len then equals\nstruct_size(p, gacks, 255), so the consistency check passes and ga is\nnon-NULL; kmemdup() reads struct_size(ga, gacks, 255) = 1024 bytes out\nof the much smaller skb:\n\n BUG: KASAN: slab-out-of-bounds in kmemdup_noprof+0x48/0x60\n Read of size 1024 at addr ffff0000c7030d38 by task poc864/69\n Call trace:\n kmemdup_noprof+0x48/0x60\n tipc_link_advance_transmq+0x86c/0xb80\n tipc_link_bc_ack_rcv+0x19c/0x1e0\n tipc_bcast_sync_rcv+0x1c4/0x2c4\n tipc_rcv+0x85c/0x1340\n tipc_l2_rcv_msg+0xac/0x104\n The buggy address belongs to the object at ffff0000c7030d00\n which belongs to the cache skbuff_small_head of size 704\n The buggy address is located 56 bytes inside of\n allocated 704-byte region [ffff0000c7030d00, ffff0000c7030fc0)\n\nThe copied-out bytes are subsequently consumed as gap/ack values, but\nthe read is already out of bounds at the kmemdup() regardless of how\nthey are used.\n\nThe unicast STATE path drops such a message: \"if (glen \u003e dlen) break;\"\nskips the rest of STATE_MSG handling and the skb is freed. Make the\nbroadcast path drop it too. tipc_bcast_sync_rcv() now bounds the record\nagainst msg_data_sz() and, when it does not fit, reports it back through\ntipc_node_bc_sync_rcv() to tipc_rcv() so the skb is discarded rather than\nprocessed. ga is not cleared on this path: ga == NULL already means\n\"legacy peer without Selective ACK\", a distinct legitimate state."
}
],
"metrics": [
{
"cvssV3_1": {
"baseScore": 9.1,
"baseSeverity": "CRITICAL",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H",
"version": "3.1"
},
"scenarios": [
{
"lang": "en",
"value": "AV:N - TIPC packets can arrive through an IP/UDP bearer from a routable remote source, and the receive callback does not restrict packets to configured remote addresses. An attacker can also establish or spoof the required TIPC neighbour state without credentials.\nAC:L - The attacker controls capability advertisement, link establishment, broadcast synchronization, and the malformed STATE message; one packet then reliably performs the out-of-bounds copy without a race or uncontrollable condition.\nPR:N - The packet-receive path performs no capability or user-credential check, and TIPC discovery and link negotiation are unauthenticated when optional cryptographic keys are not configured. The vulnerable broadcast processing also precedes normal STATE-session validation.\nUI:N - No victim action is required after the TIPC bearer is active; receipt of the crafted STATE message directly invokes the vulnerable code.\nS:U - The vulnerability compromises availability and potentially confidentiality within the receiving kernel\u0027s existing security authority, without crossing a VM, IOMMU, or comparable scope boundary.\nC:H - The attacker-controlled count makes the kernel copy up to 1,024 bytes from a much smaller skb, incorporating substantial adjacent slab contents rather than a strictly bounded few-byte read.\nI:N - The defect performs an out-of-bounds read into a correctly sized new allocation; investigation found no out-of-bounds write, arbitrary-write primitive, or control-flow corruption.\nA:H - The demonstrated 1,024-byte slab-out-of-bounds access produces a KASAN BUG and can panic or fault hardened kernels, and an unauthenticated attacker can trigger it repeatedly."
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-08-05T12:42:14.014Z",
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux"
},
"references": [
{
"url": "https://git.kernel.org/stable/c/055663d21dc4336f67933ab26bef3c5934be6324"
},
{
"url": "https://git.kernel.org/stable/c/016f5995c37a5a2c45198308f830f244517d70b7"
},
{
"url": "https://git.kernel.org/stable/c/74b45af86a767594ba52330cd440ea84e24d700d"
},
{
"url": "https://git.kernel.org/stable/c/9a51115fcdc78687c8852bf93a1db3951dbb223b"
},
{
"url": "https://git.kernel.org/stable/c/a21ed5064217cc33726da6c7ef1a520eba43aea1"
},
{
"url": "https://git.kernel.org/stable/c/2de42e268174766cb2e2b90721afdfdff70e0d8d"
},
{
"url": "https://git.kernel.org/stable/c/f333b6851bdf326fd2134133272dbbed0c94d921"
},
{
"url": "https://git.kernel.org/stable/c/2b66974a1b6134a4bbc3bfed181f7418f688eb54"
}
],
"title": "tipc: fix out-of-bounds read in broadcast Gap ACK blocks",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"assignerShortName": "Linux",
"cveId": "CVE-2026-64450",
"datePublished": "2026-07-25T08:51:20.319Z",
"dateReserved": "2026-07-19T15:36:31.788Z",
"dateUpdated": "2026-08-05T12:42:14.014Z",
"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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