CVE-2026-97546 (GCVE-0-2026-97546)
Vulnerability from cvelistv5
Published
2026-09-25 10:21
Modified
2026-10-19 09:09
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: xfs: don't spin forever on zero-length dirents when salvaging them LOLLM noticed that xrep_dir_recover_data can spin forever if it encounters an unused dirent that claims to have length zero. Fix that, and prevent the same thing from happening with a zero-length entry.
References
Impacted products
Vendor Product Version
Linux Linux Version: b1991ee3e7cf852e95a3498801303cfbb4468681
Version: b1991ee3e7cf852e95a3498801303cfbb4468681
Version: b1991ee3e7cf852e95a3498801303cfbb4468681
Version: b1991ee3e7cf852e95a3498801303cfbb4468681
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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "fs/xfs/scrub/dir_repair.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "5442f0c56445618544a801fb4dae35aed87a1aaa",
              "status": "affected",
              "version": "b1991ee3e7cf852e95a3498801303cfbb4468681",
              "versionType": "git"
            },
            {
              "lessThan": "08754ebfa5c28e8d57316b1bd7a5a921a5e2e762",
              "status": "affected",
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              "versionType": "git"
            },
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              "versionType": "git"
            },
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              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "fs/xfs/scrub/dir_repair.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.10"
            },
            {
              "lessThan": "6.10",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.111",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.53",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.2.*",
              "status": "unaffected",
              "version": "7.2.7",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.3",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.12.111",
                  "versionStartIncluding": "6.10",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.18.53",
                  "versionStartIncluding": "6.10",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.2.7",
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                  "vulnerable": true
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                {
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                  "versionEndExcluding": "7.3",
                  "versionStartIncluding": "6.10",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nxfs: don\u0027t spin forever on zero-length dirents when salvaging them\n\nLOLLM noticed that xrep_dir_recover_data can spin forever if it\nencounters an unused dirent that claims to have length zero.  Fix that,\nand prevent the same thing from happening with a zero-length entry."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-19T09:09:09.393Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/5442f0c56445618544a801fb4dae35aed87a1aaa"
        },
        {
          "url": "https://git.kernel.org/stable/c/08754ebfa5c28e8d57316b1bd7a5a921a5e2e762"
        },
        {
          "url": "https://git.kernel.org/stable/c/a455c83ce5dc1a2da33b1b84253d298372a8dfbd"
        },
        {
          "url": "https://git.kernel.org/stable/c/9f84792b40d0c96833341602144574bf0bd14a6a"
        }
      ],
      "title": "xfs: don\u0027t spin forever on zero-length dirents when salvaging them",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-97546",
    "datePublished": "2026-09-25T10:21:41.029Z",
    "dateReserved": "2026-09-24T16:01:01.154Z",
    "dateUpdated": "2026-10-19T09:09:09.393Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}


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