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CVE-2022-50554 blk-mq: avoid double ->queue_rq() because of early timeout

🗓️ 07 Oct 2025 15:21:15Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 5 Views

CVE-2022-50554 fixes double queue_rq in blk-mq by draining in-progress requests to prevent timeout and kernel panic.

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "block/blk-mq.c"
    ],
    "versions": [
      {
        "version": "12f5b93145450c750f315657ef239a314811aeeb",
        "lessThan": "7a73c54a3750895888ab586896736c9434e062a1",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "12f5b93145450c750f315657ef239a314811aeeb",
        "lessThan": "8b3d6b029a552d2978bbac275303d11419826a69",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "12f5b93145450c750f315657ef239a314811aeeb",
        "lessThan": "82c229476b8f6afd7e09bc4dc77d89dc19ff7688",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "block/blk-mq.c"
    ],
    "versions": [
      {
        "version": "4.18",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "4.18",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.0.16",
        "lessThanOrEqual": "6.0.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.2",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.2",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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