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CVE-2025-38564 perf/core: Handle buffer mapping fail correctly in perf_mmap()

🗓️ 19 Aug 2025 17:02:40Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 7 Views

CVE-2025-38564: perf_mmap moves event_mapped before map_range; closes on failure to prevent leaks.

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "kernel/events/core.c"
    ],
    "versions": [
      {
        "version": "b709eb872e19a19607bbb6d2975bc264d59735cf",
        "lessThan": "831e1c90a5d72e6977a57c44f47c46b73a438695",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "b709eb872e19a19607bbb6d2975bc264d59735cf",
        "lessThan": "a9025f73c88d9d6e125743a43afc569da3ce5328",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "b709eb872e19a19607bbb6d2975bc264d59735cf",
        "lessThan": "f74b9f4ba63ffdf597aaaa6cad7e284cb8e04820",
        "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/events/core.c"
    ],
    "versions": [
      {
        "version": "6.14",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.14",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.15.10",
        "lessThanOrEqual": "6.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.16.1",
        "lessThanOrEqual": "6.16.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.17",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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