FKIE_CVE-2026-80820

Vulnerability from fkie_nvd - Published: 2026-09-04 16:18 - Updated: 2026-09-04 16:18
Severity
Summary
In the Linux kernel, the following vulnerability has been resolved: xfs: don't livelock in scrub on a circular unlinked list LOLLM points out that online fsck can livelock if an unlinked inode list contains a loop. Use a bitmap to detect cycles.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/159d162fe80bd56573cafde5801bd5a90a3dd1ac
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/527eaaefddb6ec5c83a06c9a1559960dd6361753
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/56407a61a8bb85b884de802d39635abdb0ea7408
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/599453f83458b57995290a1d31200c263e2c2691
Impacted products
Vendor Product Version
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "fs/xfs/scrub/agheader.c",
            "fs/xfs/scrub/agheader_repair.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "599453f83458b57995290a1d31200c263e2c2691",
              "status": "affected",
              "version": "a12890aebb895951720ff884eab1c99a30645b29",
              "versionType": "git"
            },
            {
              "lessThan": "159d162fe80bd56573cafde5801bd5a90a3dd1ac",
              "status": "affected",
              "version": "a12890aebb895951720ff884eab1c99a30645b29",
              "versionType": "git"
            },
            {
              "lessThan": "56407a61a8bb85b884de802d39635abdb0ea7408",
              "status": "affected",
              "version": "a12890aebb895951720ff884eab1c99a30645b29",
              "versionType": "git"
            },
            {
              "lessThan": "527eaaefddb6ec5c83a06c9a1559960dd6361753",
              "status": "affected",
              "version": "a12890aebb895951720ff884eab1c99a30645b29",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "fs/xfs/scrub/agheader.c",
            "fs/xfs/scrub/agheader_repair.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "4.15"
            },
            {
              "lessThan": "4.15",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.106",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.47",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.1.*",
              "status": "unaffected",
              "version": "7.1.11",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.2",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nxfs: don\u0027t livelock in scrub on a circular unlinked list\n\nLOLLM points out that online fsck can livelock if an unlinked inode list\ncontains a loop.  Use a bitmap to detect cycles."
    }
  ],
  "id": "CVE-2026-80820",
  "lastModified": "2026-09-04T16:18:09.743",
  "metrics": {},
  "published": "2026-09-04T16:18:09.743",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/159d162fe80bd56573cafde5801bd5a90a3dd1ac"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/527eaaefddb6ec5c83a06c9a1559960dd6361753"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/56407a61a8bb85b884de802d39635abdb0ea7408"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/599453f83458b57995290a1d31200c263e2c2691"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Received"
}



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