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CVE-2026-31556 xfs: scrub: unlock dquot before early return in quota scrub

🗓️ 24 Apr 2026 14:35:39Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 22 Views

Fixes early return in quota scrub that could leave the quota lock held, risking deadlocks.

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/xfs/scrub/quota.c"
    ],
    "versions": [
      {
        "version": "7d1f0e167a067ed741dec08b7614d76893422b04",
        "lessThan": "e822f535273af0e8968eab7acc0cea0b90dd25af",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "7d1f0e167a067ed741dec08b7614d76893422b04",
        "lessThan": "3b0c3414b308e6822cda90bf99f7eac94d4cca2b",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "7d1f0e167a067ed741dec08b7614d76893422b04",
        "lessThan": "d128fc0c5c2b19224927d4fd2a46c2fe6a1f606f",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "7d1f0e167a067ed741dec08b7614d76893422b04",
        "lessThan": "268378b6ad20569af0d1957992de1c8b16c6e900",
        "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/xfs/scrub/quota.c"
    ],
    "versions": [
      {
        "version": "6.8",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.8",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.80",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.21",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.19.11",
        "lessThanOrEqual": "6.19.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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11 May 2026 22:11Current
EPSS0.00122
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