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CVE-2026-80631 btrfs: lzo: reject compressed segment that overflows the compressed input

🗓️ 28 Aug 2026 06:48:47Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 3 Views

btrfs LZO null pointer dereference in lzo_decompress_bio when segment overflows compressed input.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-80631
28 Aug 202606:48
cve
debiancve
Debian CVE
CVE-2026-80631
28 Aug 202606:48
debiancve
euvd
EUVD
EUVD-2026-67507
28 Aug 202606:48
euvd
nvd
NVD
CVE-2026-80631
28 Aug 202608:16
nvd
osv
OSV
DEBIAN-CVE-2026-80631
28 Aug 202608:16
osv
ptsecurity
Positive Technologies
PT-2026-82931
28 Aug 202600:00
ptsecurity
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/btrfs/lzo.c"
    ],
    "versions": [
      {
        "version": "a6e66e6f8c1b685e11b778bef614480a9c1a5278",
        "lessThan": "1641d058adfbd50cf95d54581ed5d142ee82c07f",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a6e66e6f8c1b685e11b778bef614480a9c1a5278",
        "lessThan": "b0d27d43791b7a3057c3c4aedf9b4aa033d37c46",
        "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/btrfs/lzo.c"
    ],
    "versions": [
      {
        "version": "5.15",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.15",
        "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"
      }
    ]
  }
]

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