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CVE-2022-50382 padata: Always leave BHs disabled when running ->parallel()

🗓️ 18 Sep 2025 13:33:04Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 5 Views

CVE-2022-50382 fixes deadlock by disabling bottom halves in the current task during padata parallel.

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "kernel/padata.c"
    ],
    "versions": [
      {
        "version": "4611ce22468895acd61fee9ac1da810d60617d9a",
        "lessThan": "8e0681dd4eee029eb1d533d06993f7cb091efb73",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "4611ce22468895acd61fee9ac1da810d60617d9a",
        "lessThan": "17afa98bccec4f52203508b3f49b5f948c6fd6ac",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "4611ce22468895acd61fee9ac1da810d60617d9a",
        "lessThan": "7337adb20fcc0aebb50eaff2bc5a8dd9a7c6743d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "4611ce22468895acd61fee9ac1da810d60617d9a",
        "lessThan": "6cfa9e60c0f88fdec6368e081ab968411cc706b1",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "4611ce22468895acd61fee9ac1da810d60617d9a",
        "lessThan": "34c3a47d20ae55b3600fed733bf96eafe9c500d5",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "kernel/padata.c"
    ],
    "versions": [
      {
        "version": "5.8",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.8",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.163",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.86",
        "lessThanOrEqual": "5.15.*",
        "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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