CVE-2026-80877

🗓️ 04 Sep 2026 16:48:56Reported by LinuxType

Linux kernel AFS vllist leak in afs_update_cell() when server list is empty.

Reporter	Title	Published	Views	Family All 58
AstraLinux	Astra Linux – vulnerability in linux-5.10, linux-6.1, linux-5.15	15 Oct 202615:53	–	astralinux
BDU FSTEC	Linux kernel Heap Buffer Overflow DoS	20 Oct 202600:00	–	bdu_fstec
Cvelist	CVE-2026-80877 afs: Fix vllist leak	4 Sep 202616:48	–	cvelist
Debian CVE	CVE-2026-80877	4 Sep 202616:48	–	debiancve
EUVD	EUVD-2026-71507	4 Sep 202616:48	–	euvd
NVD	CVE-2026-80877	4 Sep 202617:16	–	nvd
osv_bell	BELL-CVE-2026-80877	8 Sep 202606:05	–	osv_bell
osv_clsa	CLSA-2026-1791132991 Fix of 400 CVEs	19 Oct 202613:48	–	osv_clsa
osv_cve	CVE-2026-80877 afs: Fix vllist leak	4 Sep 202616:48	–	osv_cve
osv_debian	DEBIAN-CVE-2026-80877	4 Sep 202617:16	–	osv_debian

Vulners

CNA

Node

linux linux_kernelRange5.2–5.10.261

linux linux_kernelRange5.11.0–5.15.212

linux linux_kernelRange5.16.0–6.1.178

linux linux_kernelRange6.2.0–6.6.145

linux linux_kernelRange6.7.0–6.12.97

linux linux_kernelRange6.13.0–6.18.40

linux linux_kernelRange6.19.0–7.1.5

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": [
      "fs/afs/cell.c"
    ],
    "versions": [
      {
        "version": "d5c32c89b208e39a39cd8639aa21c012ce0daf4d",
        "lessThan": "13403945c2385653e282dacda304dce2a25fdb53",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d5c32c89b208e39a39cd8639aa21c012ce0daf4d",
        "lessThan": "2b169eedbb96f37f3f33d7b496d8283194988980",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d5c32c89b208e39a39cd8639aa21c012ce0daf4d",
        "lessThan": "bf55969d9188380eb539bd216850bac27bc2e272",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d5c32c89b208e39a39cd8639aa21c012ce0daf4d",
        "lessThan": "bef5514f6b6cb4bed9061f4b628d6be1cf26a39e",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d5c32c89b208e39a39cd8639aa21c012ce0daf4d",
        "lessThan": "fbfe75c81bff2359a03e85cf84293484cf60fcb9",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d5c32c89b208e39a39cd8639aa21c012ce0daf4d",
        "lessThan": "8afb1a787a2802caf1895dd96745cfd6790a6f95",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d5c32c89b208e39a39cd8639aa21c012ce0daf4d",
        "lessThan": "91d8f8e5fd34d3aed26f0fe6cf52b3f71de66cc6",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d5c32c89b208e39a39cd8639aa21c012ce0daf4d",
        "lessThan": "fc10c0ecf06f2981af5d04357612b00051e03e9e",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/afs/cell.c"
    ],
    "versions": [
      {
        "version": "5.2",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.2",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.261",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.212",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.178",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.145",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.97",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.40",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1.5",
        "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/fc10c0ecf06f2981af5d04357612b00051e03e9e
git	www.git.kernel.org/stable/c/bf55969d9188380eb539bd216850bac27bc2e272
git	www.git.kernel.org/stable/c/91d8f8e5fd34d3aed26f0fe6cf52b3f71de66cc6
git	www.git.kernel.org/stable/c/2b169eedbb96f37f3f33d7b496d8283194988980
git	www.git.kernel.org/stable/c/8afb1a787a2802caf1895dd96745cfd6790a6f95
git	www.git.kernel.org/stable/c/13403945c2385653e282dacda304dce2a25fdb53
git	www.git.kernel.org/stable/c/fbfe75c81bff2359a03e85cf84293484cf60fcb9
git	www.git.kernel.org/stable/c/bef5514f6b6cb4bed9061f4b628d6be1cf26a39e

04 Sep 2026 17:16Current

5.7Medium risk

Vulners AI Score5.7

EPSS0.0022