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CVE-2025-38100 x86/iopl: Cure TIF_IO_BITMAP inconsistencies

🗓️ 03 Jul 2025 08:35:09Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 12 Views

Fixed CVE-2025-38100 by preventing NULL dereferences in x86/iopl during task cleanup and forks.

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "arch/x86/kernel/ioport.c",
      "arch/x86/kernel/process.c"
    ],
    "versions": [
      {
        "version": "ea5f1cd7ab494f65f50f338299eabb40ad6a1767",
        "lessThan": "d64b7b05a827f98d068f412969eef65489b0cf03",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ea5f1cd7ab494f65f50f338299eabb40ad6a1767",
        "lessThan": "2dace5e016c991424a3dc6e83b1ae5dca8992d08",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ea5f1cd7ab494f65f50f338299eabb40ad6a1767",
        "lessThan": "aa5ce1485562f20235b4c759eee5ab0c41d2c220",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ea5f1cd7ab494f65f50f338299eabb40ad6a1767",
        "lessThan": "2cfcbe1554c119402e7382de974c26b0549899fe",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ea5f1cd7ab494f65f50f338299eabb40ad6a1767",
        "lessThan": "b3b3b6366dc8eb5b22edba9adc4bff3cdacfd64c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ea5f1cd7ab494f65f50f338299eabb40ad6a1767",
        "lessThan": "73cfcc8445585b8af7e18be3c9246b851fdf336c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ea5f1cd7ab494f65f50f338299eabb40ad6a1767",
        "lessThan": "8b68e978718f14fdcb080c2a7791c52a0d09bc6d",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "arch/x86/kernel/ioport.c",
      "arch/x86/kernel/process.c"
    ],
    "versions": [
      {
        "version": "5.5",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.5",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.239",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.186",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.142",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.94",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.34",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.15.3",
        "lessThanOrEqual": "6.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.16",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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