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CVE-2025-40341 futex: Don't leak robust_list pointer on exec race

🗓️ 09 Dec 2025 04:09:58Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 28 Views

Fixed race in get_robust_list during exec; now locks before ptrace_may_access.

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "kernel/futex/syscalls.c"
    ],
    "versions": [
      {
        "version": "0771dfefc9e538f077d0b43b6dec19a5a67d0e70",
        "lessThan": "6511984d1aa1360181bcafb1ca75df7f291ef237",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "0771dfefc9e538f077d0b43b6dec19a5a67d0e70",
        "lessThan": "4aced32596ead1820b7dbd8e40d30b30dc1f3ad4",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "0771dfefc9e538f077d0b43b6dec19a5a67d0e70",
        "lessThan": "3b4222494489f6d4b8705a496dab03384b7ca998",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "0771dfefc9e538f077d0b43b6dec19a5a67d0e70",
        "lessThan": "b524455a51feb6013df3a5dba3160487b2e8e22a",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "0771dfefc9e538f077d0b43b6dec19a5a67d0e70",
        "lessThan": "6b54082c3ed4dc9821cdf0edb17302355cc5bb45",
        "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/syscalls.c"
    ],
    "versions": [
      {
        "version": "2.6.17",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "2.6.17",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.159",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.117",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.58",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.17.8",
        "lessThanOrEqual": "6.17.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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