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CERTFR-2025-AVI-1136
Vulnerability from certfr_avis - Published: 2025-12-19 - Updated: 2025-12-19
De multiples vulnérabilités ont été découvertes dans le noyau Linux de Debian LTS. Certaines d'entre elles permettent à un attaquant de provoquer une élévation de privilèges, une atteinte à la confidentialité des données et une atteinte à l'intégrité des données.
Solutions
Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).
| Title | Publication Time | Tags | |||
|---|---|---|---|---|---|
|
|||||
{
"$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
"affected_systems": [
{
"description": "Debian LTS bullseye versions ant\u00e9rieures \u00e0 5.10.247-1",
"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-2025-40273",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40273"
},
{
"name": "CVE-2025-39987",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-39987"
},
{
"name": "CVE-2025-21861",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-21861"
},
{
"name": "CVE-2025-40055",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40055"
},
{
"name": "CVE-2025-39876",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-39876"
},
{
"name": "CVE-2025-40029",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40029"
},
{
"name": "CVE-2025-40306",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40306"
},
{
"name": "CVE-2025-40048",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40048"
},
{
"name": "CVE-2025-40254",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40254"
},
{
"name": "CVE-2025-40219",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40219"
},
{
"name": "CVE-2025-39973",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-39973"
},
{
"name": "CVE-2025-39945",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-39945"
},
{
"name": "CVE-2025-39883",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-39883"
},
{
"name": "CVE-2025-40019",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40019"
},
{
"name": "CVE-2025-40240",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40240"
},
{
"name": "CVE-2025-40081",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40081"
},
{
"name": "CVE-2025-40026",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40026"
},
{
"name": "CVE-2025-40153",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40153"
},
{
"name": "CVE-2025-40121",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40121"
},
{
"name": "CVE-2025-40312",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40312"
},
{
"name": "CVE-2025-40204",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40204"
},
{
"name": "CVE-2025-39911",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-39911"
},
{
"name": "CVE-2025-40125",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40125"
},
{
"name": "CVE-2025-40309",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40309"
},
{
"name": "CVE-2025-40308",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40308"
},
{
"name": "CVE-2025-40187",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40187"
},
{
"name": "CVE-2025-40315",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40315"
},
{
"name": "CVE-2025-39913",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-39913"
},
{
"name": "CVE-2025-39967",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-39967"
},
{
"name": "CVE-2025-40115",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40115"
},
{
"name": "CVE-2025-40198",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40198"
},
{
"name": "CVE-2025-39949",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-39949"
},
{
"name": "CVE-2023-53498",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-53498"
},
{
"name": "CVE-2025-40173",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40173"
},
{
"name": "CVE-2025-40190",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40190"
},
{
"name": "CVE-2025-39923",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-39923"
},
{
"name": "CVE-2025-39866",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-39866"
},
{
"name": "CVE-2025-39953",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-39953"
},
{
"name": "CVE-2025-40167",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40167"
},
{
"name": "CVE-2025-39969",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-39969"
},
{
"name": "CVE-2025-40194",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40194"
},
{
"name": "CVE-2025-40001",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40001"
},
{
"name": "CVE-2025-40035",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40035"
},
{
"name": "CVE-2025-40322",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40322"
},
{
"name": "CVE-2025-40233",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40233"
},
{
"name": "CVE-2025-40020",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40020"
},
{
"name": "CVE-2025-40188",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40188"
},
{
"name": "CVE-2025-40271",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40271"
},
{
"name": "CVE-2025-40186",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40186"
},
{
"name": "CVE-2025-40049",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40049"
},
{
"name": "CVE-2025-40277",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40277"
},
{
"name": "CVE-2025-40070",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40070"
},
{
"name": "CVE-2025-40106",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40106"
},
{
"name": "CVE-2025-40205",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40205"
},
{
"name": "CVE-2025-40269",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40269"
},
{
"name": "CVE-2025-40027",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40027"
},
{
"name": "CVE-2025-39885",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-39885"
},
{
"name": "CVE-2025-39970",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-39970"
},
{
"name": "CVE-2025-39994",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-39994"
},
{
"name": "CVE-2025-40088",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40088"
},
{
"name": "CVE-2025-40220",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40220"
},
{
"name": "CVE-2025-40257",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40257"
},
{
"name": "CVE-2025-22058",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-22058"
},
{
"name": "CVE-2025-40197",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40197"
},
{
"name": "CVE-2025-40109",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40109"
},
{
"name": "CVE-2025-40006",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40006"
},
{
"name": "CVE-2025-40263",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40263"
},
{
"name": "CVE-2025-40011",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40011"
},
{
"name": "CVE-2025-40231",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40231"
},
{
"name": "CVE-2024-47666",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47666"
},
{
"name": "CVE-2025-40278",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40278"
},
{
"name": "CVE-2025-40342",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40342"
},
{
"name": "CVE-2025-23143",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-23143"
},
{
"name": "CVE-2024-50143",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50143"
},
{
"name": "CVE-2025-40183",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40183"
},
{
"name": "CVE-2025-39998",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-39998"
},
{
"name": "CVE-2025-40134",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40134"
},
{
"name": "CVE-2025-39968",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-39968"
},
{
"name": "CVE-2025-39986",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-39986"
},
{
"name": "CVE-2025-40283",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40283"
},
{
"name": "CVE-2025-39955",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-39955"
},
{
"name": "CVE-2025-40324",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40324"
},
{
"name": "CVE-2025-40264",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40264"
},
{
"name": "CVE-2025-40078",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40078"
},
{
"name": "CVE-2025-40321",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40321"
},
{
"name": "CVE-2025-40116",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40116"
},
{
"name": "CVE-2025-40127",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40127"
},
{
"name": "CVE-2025-40282",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40282"
},
{
"name": "CVE-2025-39996",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-39996"
},
{
"name": "CVE-2025-40053",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40053"
},
{
"name": "CVE-2025-39951",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-39951"
},
{
"name": "CVE-2025-40243",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40243"
},
{
"name": "CVE-2025-38678",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-38678"
},
{
"name": "CVE-2025-40118",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40118"
},
{
"name": "CVE-2025-40021",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40021"
},
{
"name": "CVE-2025-39964",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-39964"
},
{
"name": "CVE-2025-39993",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-39993"
},
{
"name": "CVE-2025-40044",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40044"
},
{
"name": "CVE-2025-40105",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40105"
},
{
"name": "CVE-2025-40083",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40083"
},
{
"name": "CVE-2025-39971",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-39971"
},
{
"name": "CVE-2025-40154",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40154"
},
{
"name": "CVE-2025-40331",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40331"
},
{
"name": "CVE-2025-40280",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40280"
},
{
"name": "CVE-2025-39972",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-39972"
},
{
"name": "CVE-2025-40018",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40018"
},
{
"name": "CVE-2025-40200",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40200"
},
{
"name": "CVE-2025-40111",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40111"
},
{
"name": "CVE-2025-40211",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40211"
},
{
"name": "CVE-2025-40042",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40042"
},
{
"name": "CVE-2025-40248",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40248"
},
{
"name": "CVE-2025-40259",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40259"
},
{
"name": "CVE-2025-39937",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-39937"
},
{
"name": "CVE-2025-40178",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40178"
},
{
"name": "CVE-2025-39869",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-39869"
},
{
"name": "CVE-2025-39985",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-39985"
},
{
"name": "CVE-2025-40317",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40317"
},
{
"name": "CVE-2025-40258",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40258"
},
{
"name": "CVE-2025-40281",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40281"
},
{
"name": "CVE-2025-40304",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40304"
},
{
"name": "CVE-2025-39980",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-39980"
},
{
"name": "CVE-2025-21887",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-21887"
},
{
"name": "CVE-2025-40262",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40262"
},
{
"name": "CVE-2024-57947",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-57947"
},
{
"name": "CVE-2025-40261",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40261"
},
{
"name": "CVE-2025-40030",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40030"
},
{
"name": "CVE-2025-40244",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40244"
},
{
"name": "CVE-2025-39995",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-39995"
},
{
"name": "CVE-2025-40275",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40275"
},
{
"name": "CVE-2025-39907",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-39907"
},
{
"name": "CVE-2025-40022",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40022"
},
{
"name": "CVE-2025-40140",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40140"
},
{
"name": "CVE-2025-40223",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40223"
},
{
"name": "CVE-2025-40319",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40319"
},
{
"name": "CVE-2025-40087",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40087"
}
],
"initial_release_date": "2025-12-19T00:00:00",
"last_revision_date": "2025-12-19T00:00:00",
"links": [],
"reference": "CERTFR-2025-AVI-1136",
"revisions": [
{
"description": "Version initiale",
"revision_date": "2025-12-19T00:00:00.000000"
}
],
"risks": [
{
"description": "Atteinte \u00e0 l\u0027int\u00e9grit\u00e9 des donn\u00e9es"
},
{
"description": "D\u00e9ni de service"
},
{
"description": "Contournement de la politique de s\u00e9curit\u00e9"
},
{
"description": "Atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es"
},
{
"description": "\u00c9l\u00e9vation de privil\u00e8ges"
}
],
"summary": "De multiples vuln\u00e9rabilit\u00e9s ont \u00e9t\u00e9 d\u00e9couvertes dans le noyau Linux de Debian LTS. Certaines d\u0027entre elles permettent \u00e0 un attaquant de provoquer une \u00e9l\u00e9vation de privil\u00e8ges, une atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es et une atteinte \u00e0 l\u0027int\u00e9grit\u00e9 des donn\u00e9es.",
"title": "Multiples vuln\u00e9rabilit\u00e9s dans le noyau Linux de Debian LTS",
"vendor_advisories": [
{
"published_at": "2025-12-12",
"title": "Bulletin de s\u00e9curit\u00e9 Debian LTS DLA-4404-1",
"url": "https://lists.debian.org/debian-lts-announce/2025/12/msg00015.html"
}
]
}
CVE-2025-39998 (GCVE-0-2025-39998)
Vulnerability from cvelistv5 – Published: 2025-10-15 07:58 – Updated: 2026-10-15 22:02| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux |
Affected:
c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5 , < e6eeee5dc0d9221ff96d1b229b1d0222c8871b84
(git)
Affected: c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5 , < 764a91e2fc9639e07aac93bc70e387e6b1e33084 (git) Affected: c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5 , < ddc79fba132b807ff775467acceaf48b456e008b (git) Affected: c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5 , < e73fe0eefac3e15bf88fb5b4afae4c76215ee4d4 (git) Affected: c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5 , < f03aa5e39da7d045615b3951d2a6ca1d7132f881 (git) Affected: c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5 , < 53c6351597e6a17ec6619f6f060d54128cb9a187 (git) Affected: c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5 , < 4b292286949588bd2818e66ff102db278de8dd26 (git) Affected: c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5 , < a150275831b765b0f1de8b8ff52ec5c6933ac15d (git) Affected: c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5 , < 27e06650a5eafe832a90fd2604f0c5e920857fae (git) |
|
| Linux | Linux |
Affected:
2.6.38
Unaffected: 0 , < 2.6.38 (semver) Unaffected: 5.4.301 , ≤ 5.4.* (semver) Unaffected: 5.10.246 , ≤ 5.10.* (semver) Unaffected: 5.15.195 , ≤ 5.15.* (semver) Unaffected: 6.1.156 , ≤ 6.1.* (semver) Unaffected: 6.6.110 , ≤ 6.6.* (semver) Unaffected: 6.12.51 , ≤ 6.12.* (semver) Unaffected: 6.16.11 , ≤ 6.16.* (semver) Unaffected: 6.17.1 , ≤ 6.17.* (semver) Unaffected: 6.18 , ≤ * (original_commit_for_fix) |
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CVE-2025-40001 (GCVE-0-2025-40001)
Vulnerability from cvelistv5 – Published: 2025-10-18 08:03 – Updated: 2026-05-11 21:40| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux |
Affected:
20b09c2992fefbe78f8cede7b404fb143a413c52 , < a6f68f219d4d4b92d7c781708d4afc4cc42961ec
(git)
Affected: 20b09c2992fefbe78f8cede7b404fb143a413c52 , < aacd1777d4a795c387a20b9ca776e2c1225d05d7 (git) Affected: 20b09c2992fefbe78f8cede7b404fb143a413c52 , < 6ba7e73cafd155a5d3abf560d315f0bab2b9d89f (git) Affected: 20b09c2992fefbe78f8cede7b404fb143a413c52 , < c2c35cb2a31844f84f21ab364b38b4309d756d42 (git) Affected: 20b09c2992fefbe78f8cede7b404fb143a413c52 , < 3c90f583d679c81a5a607a6ae0051251b6dee35b (git) Affected: 20b09c2992fefbe78f8cede7b404fb143a413c52 , < 00d3af40b158ebf7c7db2b3bbb1598a54bf28127 (git) Affected: 20b09c2992fefbe78f8cede7b404fb143a413c52 , < feb946d2fc9dc754bf3d594d42cd228860ff8647 (git) Affected: 20b09c2992fefbe78f8cede7b404fb143a413c52 , < 60cd16a3b7439ccb699d0bf533799eeb894fd217 (git) |
|
| Linux | Linux |
Affected:
2.6.31
Unaffected: 0 , < 2.6.31 (semver) Unaffected: 5.4.301 , ≤ 5.4.* (semver) Unaffected: 5.10.246 , ≤ 5.10.* (semver) Unaffected: 5.15.195 , ≤ 5.15.* (semver) Unaffected: 6.1.157 , ≤ 6.1.* (semver) Unaffected: 6.6.113 , ≤ 6.6.* (semver) Unaffected: 6.12.54 , ≤ 6.12.* (semver) Unaffected: 6.17.4 , ≤ 6.17.* (semver) Unaffected: 6.18 , ≤ * (original_commit_for_fix) |
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: mvsas: Fix use-after-free bugs in mvs_work_queue\n\nDuring the detaching of Marvell\u0027s SAS/SATA controller, the original code\ncalls cancel_delayed_work() in mvs_free() to cancel the delayed work\nitem mwq-\u003ework_q. However, if mwq-\u003ework_q is already running, the\ncancel_delayed_work() may fail to cancel it. This can lead to\nuse-after-free scenarios where mvs_free() frees the mvs_info while\nmvs_work_queue() is still executing and attempts to access the\nalready-freed mvs_info.\n\nA typical race condition is illustrated below:\n\nCPU 0 (remove) | CPU 1 (delayed work callback)\nmvs_pci_remove() |\n mvs_free() | mvs_work_queue()\n cancel_delayed_work() |\n kfree(mvi) |\n | mvi-\u003e // UAF\n\nReplace cancel_delayed_work() with cancel_delayed_work_sync() to ensure\nthat the delayed work item is properly canceled and any executing\ndelayed work item completes before the mvs_info is deallocated.\n\nThis bug was found by static analysis."
}
],
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CVE-2025-40006 (GCVE-0-2025-40006)
Vulnerability from cvelistv5 – Published: 2025-10-20 15:26 – Updated: 2026-08-05 12:07| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux |
Affected:
4aae8d1c051ea00b456da6811bc36d1f69de5445 , < bc1c9ce8aeff45318332035dbef9713fb9e982d7
(git)
Affected: 4aae8d1c051ea00b456da6811bc36d1f69de5445 , < 91f548e920fbf8be3f285bfa3fa045ae017e836d (git) Affected: 4aae8d1c051ea00b456da6811bc36d1f69de5445 , < 3e851448078f5b01f6264915df3cfef75e323a12 (git) Affected: 4aae8d1c051ea00b456da6811bc36d1f69de5445 , < c1dc0524ab2cc3982d4e0d2bfac71a0cd4d65c39 (git) Affected: 4aae8d1c051ea00b456da6811bc36d1f69de5445 , < c9c2a51f91aea70e89b496cac360cd795a2b3c26 (git) Affected: 4aae8d1c051ea00b456da6811bc36d1f69de5445 , < 910d7749346c4b0acdc6e4adfdc4a9984281a206 (git) Affected: 4aae8d1c051ea00b456da6811bc36d1f69de5445 , < 21ee79ce938127f88fe07e409c1817f477dbe7ea (git) Affected: 4aae8d1c051ea00b456da6811bc36d1f69de5445 , < 7b7387650dcf2881fd8bb55bcf3c8bd6c9542dd7 (git) |
|
| Linux | Linux |
Affected:
4.5
Unaffected: 0 , < 4.5 (semver) Unaffected: 5.4.300 , ≤ 5.4.* (semver) Unaffected: 5.10.245 , ≤ 5.10.* (semver) Unaffected: 5.15.194 , ≤ 5.15.* (semver) Unaffected: 6.1.155 , ≤ 6.1.* (semver) Unaffected: 6.6.109 , ≤ 6.6.* (semver) Unaffected: 6.12.50 , ≤ 6.12.* (semver) Unaffected: 6.16.10 , ≤ 6.16.* (semver) Unaffected: 6.17 , ≤ * (original_commit_for_fix) |
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmm/hugetlb: fix folio is still mapped when deleted\n\nMigration may be raced with fallocating hole. remove_inode_single_folio\nwill unmap the folio if the folio is still mapped. However, it\u0027s called\nwithout folio lock. If the folio is migrated and the mapped pte has been\nconverted to migration entry, folio_mapped() returns false, and won\u0027t\nunmap it. Due to extra refcount held by remove_inode_single_folio,\nmigration fails, restores migration entry to normal pte, and the folio is\nmapped again. As a result, we triggered BUG in filemap_unaccount_folio.\n\nThe log is as follows:\n BUG: Bad page cache in process hugetlb pfn:156c00\n page: refcount:515 mapcount:0 mapping:0000000099fef6e1 index:0x0 pfn:0x156c00\n head: order:9 mapcount:1 entire_mapcount:1 nr_pages_mapped:0 pincount:0\n aops:hugetlbfs_aops ino:dcc dentry name(?):\"my_hugepage_file\"\n flags: 0x17ffffc00000c1(locked|waiters|head|node=0|zone=2|lastcpupid=0x1fffff)\n page_type: f4(hugetlb)\n page dumped because: still mapped when deleted\n CPU: 1 UID: 0 PID: 395 Comm: hugetlb Not tainted 6.17.0-rc5-00044-g7aac71907bde-dirty #484 NONE\n Hardware name: QEMU Ubuntu 24.04 PC (i440FX + PIIX, 1996), BIOS 0.0.0 02/06/2015\n Call Trace:\n \u003cTASK\u003e\n dump_stack_lvl+0x4f/0x70\n filemap_unaccount_folio+0xc4/0x1c0\n __filemap_remove_folio+0x38/0x1c0\n filemap_remove_folio+0x41/0xd0\n remove_inode_hugepages+0x142/0x250\n hugetlbfs_fallocate+0x471/0x5a0\n vfs_fallocate+0x149/0x380\n\nHold folio lock before checking if the folio is mapped to avold race with\nmigration."
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"value": "AV:L - Exploitation requires local syscalls only \u2014 `memfd_create(MFD_HUGETLB)`/`mmap` plus `fallocate(FALLOC_FL_PUNCH_HOLE)` racing against `mbind`/`move_pages`. There is no network-reachable path into hugetlbfs fallocate.\nAC:L - The attacker controls both sides of the race with its own threads \u2014 one looping on punch-hole, the other looping on NUMA migration of the same mapping \u2014 and can retry indefinitely at no cost until the window is hit. Per race-condition guidance, attacker-driven races are Low.\nPR:L - `memfd_create(MFD_HUGETLB)` uses HUGETLB_ANONHUGE_INODE and bypasses the `can_do_hugetlb_shm()`/CAP_IPC_LOCK check entirely, and `MPOL_MF_MOVE` on one\u0027s own address space needs no capability, so an ordinary unprivileged local user can reach the whole path.\nUI:N - The attacking process performs every step itself; no victim action, mount, or file open by another user is needed.\nS:U - The vulnerable code and the corrupted resources are both in the host kernel\u0027s memory management, so the impact stays within a single security authority despite the severity.\nC:H - The huge page is unlinked from the page cache with its `mapping` cleared while the attacker retains writable PTEs, and hugetlb folios are explicitly excluded from `filemap_unaccount_folio()`\u0027s recovery heuristic \u2014 leaving a stale mapping to a 2MB page the kernel may recycle to another process, container, or hugepage-backed KVM guest, yielding arbitrary read of that memory.\nI:H - The same stale writable mapping gives an arbitrary-write primitive over whatever the kernel later places in that recycled huge page, and the hugetlb reserve/subpool counters are decremented for a page still in use, corrupting pool accounting \u2014 memory corruption of this class is leveragable for control-flow hijack.\nA:H - The bug\u0027s directly observed symptom is the `BUG: Bad page cache ... still mapped when deleted` report, which is a hard `VM_BUG_ON_FOLIO()` panic under CONFIG_DEBUG_VM and a `TAINT_BAD_PAGE` plus unrecoverable page-cache/hugetlb-pool corruption otherwise, repeatable at will by an unprivileged user."
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CVE-2025-40011 (GCVE-0-2025-40011)
Vulnerability from cvelistv5 – Published: 2025-10-20 15:26 – Updated: 2026-05-11 21:40| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux |
Affected:
1b082ccf5901108d3acd860a73d8c0442556c0bb , < 70b0c11483d3b90b2d0f416026e475e084a77e62
(git)
Affected: 1b082ccf5901108d3acd860a73d8c0442556c0bb , < 4bbfd1b290857b9d14ea9d91562bde55ff2bc85e (git) Affected: 1b082ccf5901108d3acd860a73d8c0442556c0bb , < e15de80737d444ed743b1c60ced4a3a97913169b (git) Affected: 1b082ccf5901108d3acd860a73d8c0442556c0bb , < 02e4ff4941efb9bbb40d8d5b61efa1a4119b1ba7 (git) Affected: 1b082ccf5901108d3acd860a73d8c0442556c0bb , < 6ffa6b5bc861a3ea9dfcdc007f002b4a347c24ba (git) Affected: 1b082ccf5901108d3acd860a73d8c0442556c0bb , < f800f7054d2cf28b51296c7c575da27c29e3859b (git) Affected: 1b082ccf5901108d3acd860a73d8c0442556c0bb , < 0fc650fa475b50c1da8236c5e900b9460c7027bc (git) Affected: 1b082ccf5901108d3acd860a73d8c0442556c0bb , < 352e66900cde63f3dadb142364d3c35170bbaaff (git) |
|
| Linux | Linux |
Affected:
3.3
Unaffected: 0 , < 3.3 (semver) Unaffected: 5.4.300 , ≤ 5.4.* (semver) Unaffected: 5.10.245 , ≤ 5.10.* (semver) Unaffected: 5.15.194 , ≤ 5.15.* (semver) Unaffected: 6.1.155 , ≤ 6.1.* (semver) Unaffected: 6.6.109 , ≤ 6.6.* (semver) Unaffected: 6.12.50 , ≤ 6.12.* (semver) Unaffected: 6.16.10 , ≤ 6.16.* (semver) Unaffected: 6.17 , ≤ * (original_commit_for_fix) |
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CVE-2025-40018 (GCVE-0-2025-40018)
Vulnerability from cvelistv5 – Published: 2025-10-24 11:44 – Updated: 2026-10-15 22:02| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux |
Affected:
61b1ab4583e275af216c8454b9256de680499b19 , < 8a6ecab3847c213ce2855b0378e63ce839085de3
(git)
Affected: 61b1ab4583e275af216c8454b9256de680499b19 , < 421b1ae1574dfdda68b835c15ac4921ec0030182 (git) Affected: 61b1ab4583e275af216c8454b9256de680499b19 , < 1d79471414d7b9424d699afff2aa79fff322f52d (git) Affected: 61b1ab4583e275af216c8454b9256de680499b19 , < 53717f8a4347b78eac6488072ad8e5adbaff38d9 (git) Affected: 61b1ab4583e275af216c8454b9256de680499b19 , < 8cbe2a21d85727b66d7c591fd5d83df0d8c4f757 (git) Affected: 61b1ab4583e275af216c8454b9256de680499b19 , < dc1a481359a72ee7e548f1f5da671282a7c13b8f (git) Affected: 61b1ab4583e275af216c8454b9256de680499b19 , < a343811ef138a265407167294275201621e9ebb2 (git) Affected: 61b1ab4583e275af216c8454b9256de680499b19 , < 134121bfd99a06d44ef5ba15a9beb075297c0821 (git) |
|
| Linux | Linux |
Affected:
2.6.39
Unaffected: 0 , < 2.6.39 (semver) Unaffected: 5.4.301 , ≤ 5.4.* (semver) Unaffected: 5.10.246 , ≤ 5.10.* (semver) Unaffected: 5.15.195 , ≤ 5.15.* (semver) Unaffected: 6.1.156 , ≤ 6.1.* (semver) Unaffected: 6.6.112 , ≤ 6.6.* (semver) Unaffected: 6.12.53 , ≤ 6.12.* (semver) Unaffected: 6.17.3 , ≤ 6.17.* (semver) Unaffected: 6.18 , ≤ * (original_commit_for_fix) |
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CVE-2025-40019 (GCVE-0-2025-40019)
Vulnerability from cvelistv5 – Published: 2025-10-24 11:44 – Updated: 2026-05-11 21:40| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux |
Affected:
be1eb7f78aa8fbe34779c56c266ccd0364604e71 , < 29294dd6f1e7acf527255fb136ffde6602c3a129
(git)
Affected: be1eb7f78aa8fbe34779c56c266ccd0364604e71 , < 71f03f8f72d9c70ffba76980e78b38c180e61589 (git) Affected: be1eb7f78aa8fbe34779c56c266ccd0364604e71 , < df58651968f82344a0ed2afdafd20ecfc55ff548 (git) Affected: be1eb7f78aa8fbe34779c56c266ccd0364604e71 , < 248ff2797ff52a8cbf86507f9583437443bf7685 (git) Affected: be1eb7f78aa8fbe34779c56c266ccd0364604e71 , < f37e7860dc5e94c70b4a3e38a5809181310ea9ac (git) Affected: be1eb7f78aa8fbe34779c56c266ccd0364604e71 , < dc4c854a5e7453c465fa73b153eba4ef2a240abe (git) Affected: be1eb7f78aa8fbe34779c56c266ccd0364604e71 , < da7afb01ba05577ba3629f7f4824205550644986 (git) Affected: be1eb7f78aa8fbe34779c56c266ccd0364604e71 , < 6bb73db6948c2de23e407fe1b7ef94bf02b7529f (git) |
|
| Linux | Linux |
Affected:
5.4
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CVE-2025-40020 (GCVE-0-2025-40020)
Vulnerability from cvelistv5 – Published: 2025-10-24 12:24 – Updated: 2026-05-11 21:40| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux |
Affected:
bb4785551f64e18b2c8bb15a3bd2b22f5ebf624d , < 572c656802781cc57f4a3231eefa83547e75ed78
(git)
Affected: bb4785551f64e18b2c8bb15a3bd2b22f5ebf624d , < 61b1dd4c614935169d12bdecc26906e37b508618 (git) Affected: bb4785551f64e18b2c8bb15a3bd2b22f5ebf624d , < 48822a59ecc47d353400d38b1941d3ae7591ffff (git) Affected: bb4785551f64e18b2c8bb15a3bd2b22f5ebf624d , < 176c81cbf9c4e348610a421aad800087c0401f60 (git) Affected: bb4785551f64e18b2c8bb15a3bd2b22f5ebf624d , < 17edec1830e48c0becd61642d0e40bc753243b16 (git) Affected: bb4785551f64e18b2c8bb15a3bd2b22f5ebf624d , < eb79ed970670344380e77d62f8188e8015648d94 (git) Affected: bb4785551f64e18b2c8bb15a3bd2b22f5ebf624d , < 394c58017e5f41043584c345106cae16a4613710 (git) Affected: bb4785551f64e18b2c8bb15a3bd2b22f5ebf624d , < c443be70aaee42c2d1d251e0329e0a69dd96ae54 (git) |
|
| Linux | Linux |
Affected:
3.4
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CVE-2025-40021 (GCVE-0-2025-40021)
Vulnerability from cvelistv5 – Published: 2025-10-24 12:24 – Updated: 2026-05-11 21:40| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux |
Affected:
17911ff38aa58d3c95c07589dbf5d3564c4cf3c5 , < f3ac1f4eaba58e57943efa3e8b8d71fa7aab0abf
(git)
Affected: 17911ff38aa58d3c95c07589dbf5d3564c4cf3c5 , < 0d41604d2d53c1abe27fefb54b37a8f6642a4d74 (git) Affected: 17911ff38aa58d3c95c07589dbf5d3564c4cf3c5 , < 07b1f63b5f86765793fab44d3d4c2be681cddafb (git) Affected: 17911ff38aa58d3c95c07589dbf5d3564c4cf3c5 , < 3887f3814c0e770e6b73567fe0f83a2c01a6470c (git) Affected: 17911ff38aa58d3c95c07589dbf5d3564c4cf3c5 , < 573b1e39edfcb7b4eecde0f1664455a1f4462eee (git) Affected: 17911ff38aa58d3c95c07589dbf5d3564c4cf3c5 , < b47c4e06687a5a7b6c6ef4bd303fcfe4430b26bb (git) Affected: 17911ff38aa58d3c95c07589dbf5d3564c4cf3c5 , < 456c32e3c4316654f95f9d49c12cbecfb77d5660 (git) |
|
| Linux | Linux |
Affected:
5.4
Unaffected: 0 , < 5.4 (semver) Unaffected: 5.10.245 , ≤ 5.10.* (semver) Unaffected: 5.15.194 , ≤ 5.15.* (semver) Unaffected: 6.1.155 , ≤ 6.1.* (semver) Unaffected: 6.6.109 , ≤ 6.6.* (semver) Unaffected: 6.12.50 , ≤ 6.12.* (semver) Unaffected: 6.16.10 , ≤ 6.16.* (semver) Unaffected: 6.17 , ≤ * (original_commit_for_fix) |
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CVE-2025-40022 (GCVE-0-2025-40022)
Vulnerability from cvelistv5 – Published: 2025-10-24 12:24 – Updated: 2026-10-15 01:08| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux |
Affected:
0f28c4adbc4a97437874c9b669fd7958a8c6d6ce , < 3a21698ace915a445bce2d0dcfc84b6d2199baf7
(git)
Affected: e4c1ec11132ec466f7362a95f36a506ce4dc08c9 , < d382d6daf0184490f366562469a5673f65ee2662 (git) Affected: 1f323a48e9b5ebfe6dc7d130fdf5c3c0e92a07c8 , < 54506c6335690f4ef1b9f154e34f5a604c72c1ed (git) Affected: 7c4491b5644e3a3708f3dbd7591be0a570135b84 , < 8703940bd30b5ad94408d28d7192db2491cd3592 (git) Affected: 9aee87da5572b3a14075f501752e209801160d3d , < 316b090c2fee964c307a634fecc7df269664b158 (git) Affected: 45bcf60fe49b37daab1acee57b27211ad1574042 , < fbe96bd25423e61273d8831e995260b429d850b6 (git) Affected: 1b34cbbf4f011a121ef7b2d7d6e6920a036d5285 , < d0ca0df179c4b21e2a6c4a4fb637aa8fa14575cb (git) |
|
| Linux | Linux |
Affected:
6.1.154 , < 6.1.155
(semver)
Affected: 6.6.108 , < 6.6.109 (semver) Affected: 6.12.49 , < 6.12.50 (semver) Affected: 6.16.9 , < 6.16.10 (semver) |
|
| Siemens | SIMATIC S7-1500 CPU 1518-4 PN/DP MFP |
Affected:
V3.1.5 , < *
(custom)
|
|
| Siemens | SIMATIC S7-1500 CPU 1518-4 PN/DP MFP |
Affected:
V3.1.6 , < *
(custom)
|
|
| Siemens | SIMATIC S7-1500 CPU 1518-4 PN/DP MFP |
Affected:
V3.1.7 , < *
(custom)
|
|
| Siemens | SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP |
Affected:
V3.1.5 , < *
(custom)
|
|
| Siemens | SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP |
Affected:
V3.1.6 , < *
(custom)
|
|
| Siemens | SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP |
Affected:
V3.1.7 , < *
(custom)
|
|
| Siemens | SIPLUS S7-1500 CPU 1518-4 PN/DP MFP |
Affected:
V3.1.5 , < *
(custom)
|
|
| Siemens | SIPLUS S7-1500 CPU 1518-4 PN/DP MFP |
Affected:
V3.1.6 , < *
(custom)
|
|
| Siemens | SIPLUS S7-1500 CPU 1518-4 PN/DP MFP |
Affected:
V3.1.7 , < *
(custom)
|
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CVE-2025-40026 (GCVE-0-2025-40026)
Vulnerability from cvelistv5 – Published: 2025-10-28 09:32 – Updated: 2026-10-15 22:02| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux |
Affected:
8a76d7f25f8f24fc5a328c8e15e4a7313cf141b9 , < a908eca437789589dd4624da428614c1275064dc
(git)
Affected: 8a76d7f25f8f24fc5a328c8e15e4a7313cf141b9 , < 00338255bb1f422642fb2798ebe92e93b6e4209b (git) Affected: 8a76d7f25f8f24fc5a328c8e15e4a7313cf141b9 , < e0ce3ed1048a47986d15aef1a98ebda25560d257 (git) Affected: 8a76d7f25f8f24fc5a328c8e15e4a7313cf141b9 , < ba35a5d775799ce5ad60230be97336f2fefd518e (git) Affected: 8a76d7f25f8f24fc5a328c8e15e4a7313cf141b9 , < 3d3abf3f7e8b1abb082070a343de82d7efc80523 (git) Affected: 8a76d7f25f8f24fc5a328c8e15e4a7313cf141b9 , < e7177c7e32cb806f348387b7f4faafd4a5b32054 (git) Affected: 8a76d7f25f8f24fc5a328c8e15e4a7313cf141b9 , < 3a062a5c55adc5507600b9ae6d911e247e2f1d6e (git) Affected: 8a76d7f25f8f24fc5a328c8e15e4a7313cf141b9 , < 7366830642505683bbe905a2ba5d18d6e4b512b8 (git) Affected: 8a76d7f25f8f24fc5a328c8e15e4a7313cf141b9 , < e750f85391286a4c8100275516973324b621a269 (git) |
|
| Linux | Linux |
Affected:
3.0
Unaffected: 0 , < 3.0 (semver) Unaffected: 5.4.301 , ≤ 5.4.* (semver) Unaffected: 5.10.246 , ≤ 5.10.* (semver) Unaffected: 5.15.195 , ≤ 5.15.* (semver) Unaffected: 6.1.157 , ≤ 6.1.* (semver) Unaffected: 6.6.111 , ≤ 6.6.* (semver) Unaffected: 6.12.52 , ≤ 6.12.* (semver) Unaffected: 6.16.12 , ≤ 6.16.* (semver) Unaffected: 6.17.2 , ≤ 6.17.* (semver) Unaffected: 6.18 , ≤ * (original_commit_for_fix) |
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"versionStartIncluding": "3.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.16.12",
"versionStartIncluding": "3.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.17.2",
"versionStartIncluding": "3.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.18",
"versionStartIncluding": "3.0",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nKVM: x86: Don\u0027t (re)check L1 intercepts when completing userspace I/O\n\nWhen completing emulation of instruction that generated a userspace exit\nfor I/O, don\u0027t recheck L1 intercepts as KVM has already finished that\nphase of instruction execution, i.e. has already committed to allowing L2\nto perform I/O. If L1 (or host userspace) modifies the I/O permission\nbitmaps during the exit to userspace, KVM will treat the access as being\nintercepted despite already having emulated the I/O access.\n\nPivot on EMULTYPE_NO_DECODE to detect that KVM is completing emulation.\nOf the three users of EMULTYPE_NO_DECODE, only complete_emulated_io() (the\nintended \"recipient\") can reach the code in question. gp_interception()\u0027s\nuse is mutually exclusive with is_guest_mode(), and\ncomplete_emulated_insn_gp() unconditionally pairs EMULTYPE_NO_DECODE with\nEMULTYPE_SKIP.\n\nThe bad behavior was detected by a syzkaller program that toggles port I/O\ninterception during the userspace I/O exit, ultimately resulting in a WARN\non vcpu-\u003earch.pio.count being non-zero due to KVM no completing emulation\nof the I/O instruction.\n\n WARNING: CPU: 23 PID: 1083 at arch/x86/kvm/x86.c:8039 emulator_pio_in_out+0x154/0x170 [kvm]\n Modules linked in: kvm_intel kvm irqbypass\n CPU: 23 UID: 1000 PID: 1083 Comm: repro Not tainted 6.16.0-rc5-c1610d2d66b1-next-vm #74 NONE\n Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 0.0.0 02/06/2015\n RIP: 0010:emulator_pio_in_out+0x154/0x170 [kvm]\n PKRU: 55555554\n Call Trace:\n \u003cTASK\u003e\n kvm_fast_pio+0xd6/0x1d0 [kvm]\n vmx_handle_exit+0x149/0x610 [kvm_intel]\n kvm_arch_vcpu_ioctl_run+0xda8/0x1ac0 [kvm]\n kvm_vcpu_ioctl+0x244/0x8c0 [kvm]\n __x64_sys_ioctl+0x8a/0xd0\n do_syscall_64+0x5d/0xc60\n entry_SYSCALL_64_after_hwframe+0x4b/0x53\n \u003c/TASK\u003e"
}
],
"metrics": [
{
"cvssV3_1": {
"baseScore": 7.9,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:H",
"version": "3.1"
},
"scenarios": [
{
"lang": "en",
"value": "AV:L - Exploitation requires either `KVM_RUN`/`ioctl()` access to `/dev/kvm` on the host or code execution inside a guest running a nested hypervisor; there is no network-reachable path to `x86_emulate_insn()`.\nAC:L - The syzkaller reproducer deterministically toggles the port-I/O bitmap while servicing the `KVM_EXIT_IO` exit, and the guest-side variant only needs a second L1 vCPU to write the bitmap page \u2014 the attacker controls both sides of the window, and nested virt is enabled by default on kvm_intel/kvm_amd.\nPR:L - The attacker needs only unprivileged access to `/dev/kvm` (commonly granted via the `kvm` group or a VMM process), or ordinary code execution inside a guest; no root or CAP_SYS_ADMIN in the init namespace is required.\nUI:N - The vCPU thread reaches the buggy re-check on the normal `KVM_RUN` re-entry path after a userspace I/O exit; no victim action is needed.\nS:C - A guest (L1/L2) triggers corrupted state and a WARN/panic in the host kernel\u0027s KVM module, crossing the guest-to-host security boundary, and the aborted emulation also crosses the L1/L2 authority boundary by delivering an I/O intercept L1 never legitimately received.\nC:L - The stale `pio.count`/`pio.size` makes the next emulated `in` take the completion path and hand back data captured during the earlier I/O read on L2\u0027s behalf, leaking bounded `pio_data` contents across the L1/L2 boundary; the copy is capped at the 1024-byte `read_cache`, so it is not an arbitrary read.\nI:L - KVM injects a nested IOIO VM-exit to L1 for an access it already performed against the host device model (double execution) and subsequently substitutes stale `pio_data` for a real port read, corrupting guest I/O state in a limited, non-arbitrary way.\nA:H - The un-cleared `vcpu-\u003earch.pio.count` trips `WARN_ON_ONCE()` in `emulator_pio_in_out()` in the host kernel \u2014 a full host panic on the widely deployed `panic_on_warn=1` configuration \u2014 and leaves the vCPU with permanently desynchronized emulation state."
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-08-05T12:07:08.793Z",
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux"
},
"references": [
{
"url": "https://git.kernel.org/stable/c/a908eca437789589dd4624da428614c1275064dc"
},
{
"url": "https://git.kernel.org/stable/c/00338255bb1f422642fb2798ebe92e93b6e4209b"
},
{
"url": "https://git.kernel.org/stable/c/e0ce3ed1048a47986d15aef1a98ebda25560d257"
},
{
"url": "https://git.kernel.org/stable/c/ba35a5d775799ce5ad60230be97336f2fefd518e"
},
{
"url": "https://git.kernel.org/stable/c/3d3abf3f7e8b1abb082070a343de82d7efc80523"
},
{
"url": "https://git.kernel.org/stable/c/e7177c7e32cb806f348387b7f4faafd4a5b32054"
},
{
"url": "https://git.kernel.org/stable/c/3a062a5c55adc5507600b9ae6d911e247e2f1d6e"
},
{
"url": "https://git.kernel.org/stable/c/7366830642505683bbe905a2ba5d18d6e4b512b8"
},
{
"url": "https://git.kernel.org/stable/c/e750f85391286a4c8100275516973324b621a269"
}
],
"title": "KVM: x86: Don\u0027t (re)check L1 intercepts when completing userspace I/O",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"assignerShortName": "Linux",
"cveId": "CVE-2025-40026",
"datePublished": "2025-10-28T09:32:33.075Z",
"dateReserved": "2025-04-16T07:20:57.152Z",
"dateUpdated": "2026-10-15T22:02:36.361Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
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| Author | Source | Type | Date | Other |
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Nomenclature
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- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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