CVE-2026-80718

🗓️ 28 Aug 2026 06:53:15Reported by LinuxType

Bitmap overflow in Linux kernel percpu-km pcpu_create_chunk() writes beyond populated bitmap.

Reporter	Title	Published	Views	Family All 16
Cvelist	CVE-2026-80718 mm/percpu-km: fix bitmap overflow and accounting in pcpu_create_chunk()	28 Aug 202606:53	–	cvelist
Debian	[SECURITY] [DLA 4777-1] linux security update	8 Sep 202616:49	–	debian
Debian CVE	CVE-2026-80718	28 Aug 202606:53	–	debiancve
Tenable Nessus	Debian dla-4777 : ata-modules-6.1.0-52-armmp-di - security update	8 Sep 202600:00	–	nessus
Tenable Nessus	Linux Distros Unpatched Vulnerability : CVE-2026-80718	28 Aug 202600:00	–	nessus
EUVD	EUVD-2026-67453	28 Aug 202606:53	–	euvd
Microsoft CVE	mm/percpu-km: fix bitmap overflow and accounting in pcpu_create_chunk()	29 Aug 202608:06	–	mscve
NVD	CVE-2026-80718	28 Aug 202608:16	–	nvd
OSV	AZL-98138 CVE-2026-80718 affecting package kernel 6.6.150.1-1	28 Aug 202608:16	–	osv
OSV	BELL-CVE-2026-80718	3 Sep 202606:05	–	osv

Vulners

CNA

Node

linux linux_kernelRange3.18–5.10.265

linux linux_kernelRange5.11.0–5.15.216

linux linux_kernelRange5.16.0–6.1.183

linux linux_kernelRange6.2.0–6.6.151

linux linux_kernelRange6.7.0–6.12.103

linux linux_kernelRange6.13.0–6.18.44

linux linux_kernelRange6.19.0–7.1.8

linux linux_kernelRange7.2.0≥

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "mm/percpu-km.c"
    ],
    "versions": [
      {
        "version": "a63d4ac4ab6094c051a5a240260d16117a7a2f86",
        "lessThan": "5f43d2c1bea280dcdfabaf156c25e7402fb8039f",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a63d4ac4ab6094c051a5a240260d16117a7a2f86",
        "lessThan": "92c43ac3c2b09eb16162e8144e73c00b7c3e29d6",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a63d4ac4ab6094c051a5a240260d16117a7a2f86",
        "lessThan": "6fc7da2a052f2825fff785e860e67183f5acaaba",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a63d4ac4ab6094c051a5a240260d16117a7a2f86",
        "lessThan": "01504da375f5b19df195cb1cb1cf1dd184318f97",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a63d4ac4ab6094c051a5a240260d16117a7a2f86",
        "lessThan": "a6940b84c8c035da465b7165fdfcfb005545724e",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a63d4ac4ab6094c051a5a240260d16117a7a2f86",
        "lessThan": "32134cf9211b83bed9076d0739c5906fbea4c763",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a63d4ac4ab6094c051a5a240260d16117a7a2f86",
        "lessThan": "5c7fc39bf19abb38a996aaad77b3e3a8f48581c3",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a63d4ac4ab6094c051a5a240260d16117a7a2f86",
        "lessThan": "89b1b79c308818a715e75f28744b70d8940a07c9",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "mm/percpu-km.c"
    ],
    "versions": [
      {
        "version": "3.18",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "3.18",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.265",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.216",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.183",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.151",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.103",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.44",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1.8",
        "lessThanOrEqual": "7.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

Source	Link
git	www.git.kernel.org/stable/c/a6940b84c8c035da465b7165fdfcfb005545724e
git	www.git.kernel.org/stable/c/89b1b79c308818a715e75f28744b70d8940a07c9
git	www.git.kernel.org/stable/c/01504da375f5b19df195cb1cb1cf1dd184318f97
git	www.git.kernel.org/stable/c/5f43d2c1bea280dcdfabaf156c25e7402fb8039f
git	www.git.kernel.org/stable/c/92c43ac3c2b09eb16162e8144e73c00b7c3e29d6
git	www.git.kernel.org/stable/c/32134cf9211b83bed9076d0739c5906fbea4c763
git	www.git.kernel.org/stable/c/6fc7da2a052f2825fff785e860e67183f5acaaba
git	www.git.kernel.org/stable/c/5c7fc39bf19abb38a996aaad77b3e3a8f48581c3

29 Aug 2026 07:16Current

5.8Medium risk

Vulners AI Score5.8

CVSS 3.17.8

EPSS0.0012