CVE-2026-52977 futex: Prevent lockup in requeue-PI during signal/ timeout wakeup

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "kernel/futex/requeue.c"
    ],
    "versions": [
      {
        "version": "07d91ef510fb16a2e0ca7453222105835b7ba3b8",
        "lessThan": "4e0ed44e51727d56244a822ab941efe507c47966",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "07d91ef510fb16a2e0ca7453222105835b7ba3b8",
        "lessThan": "e3f95b1ba242e37093305812df7fdbe7288a43ac",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "07d91ef510fb16a2e0ca7453222105835b7ba3b8",
        "lessThan": "0aacb6d18f76552e3e0ee25d9f40d21b3486f4cf",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "07d91ef510fb16a2e0ca7453222105835b7ba3b8",
        "lessThan": "69a7cfc66405aeaa2483147653d031b3592ffc9c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "07d91ef510fb16a2e0ca7453222105835b7ba3b8",
        "lessThan": "0304d60abb9dcc02bc7fe6d1850f4ca206e8f1a0",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "07d91ef510fb16a2e0ca7453222105835b7ba3b8",
        "lessThan": "bc7304f3ae20972d11db6e0b1b541c63feda5f05",
        "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/futex/requeue.c"
    ],
    "versions": [
      {
        "version": "5.15",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.15",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.175",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.141",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.91",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.33",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0.10",
        "lessThanOrEqual": "7.0.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]