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CVE-2023-53793 perf tool x86: Fix perf_env memory leak

🗓️ 09 Dec 2025 00:00:50Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 29 Views

CVE-2023-53793 fixes perf_env memory leak during x86 CPU ID read in the perf tool.

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "tools/perf/arch/x86/util/env.c"
    ],
    "versions": [
      {
        "version": "f7b58cbdb3ff36eba8622e67eee66c10dd1c9995",
        "lessThan": "75d65c1cc439606ada882755fd205d13c2c7907d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f7b58cbdb3ff36eba8622e67eee66c10dd1c9995",
        "lessThan": "010139bfc6bb9ddab81dbc2cf71cd3a9c28adc7f",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f7b58cbdb3ff36eba8622e67eee66c10dd1c9995",
        "lessThan": "f3daf02a41e3c11e1a473517a8a6169248fb8e7b",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f7b58cbdb3ff36eba8622e67eee66c10dd1c9995",
        "lessThan": "99d4850062a84564f36923764bb93935ef2ed108",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "tools/perf/arch/x86/util/env.c"
    ],
    "versions": [
      {
        "version": "6.1",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.1",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.39",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.3.13",
        "lessThanOrEqual": "6.3.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.4.4",
        "lessThanOrEqual": "6.4.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.5",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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