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CVE-2022-50465 ext4: fix leaking uninitialized memory in fast-commit journal

🗓️ 01 Oct 2025 11:45:36Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 3 Views

Linux kernel ext4 fix for leaking uninitialized memory in fast-commit journal by zeroing unused space.

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/ext4/fast_commit.c"
    ],
    "versions": [
      {
        "version": "aa75f4d3daaeb1389b9cce9d6b84401eaf228d4e",
        "lessThan": "b8b7922374b00a44137e5bcdd46ef86c8b065f27",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "aa75f4d3daaeb1389b9cce9d6b84401eaf228d4e",
        "lessThan": "871800770d7f2f952c7249ad52485c3564dab44e",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "aa75f4d3daaeb1389b9cce9d6b84401eaf228d4e",
        "lessThan": "d9ba03eb03dc2dccb5450de388ea46bdcaaf8348",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "aa75f4d3daaeb1389b9cce9d6b84401eaf228d4e",
        "lessThan": "7c1fb65e8ce85c281d2cba9c236f9edbbc4eaca6",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "aa75f4d3daaeb1389b9cce9d6b84401eaf228d4e",
        "lessThan": "594bc43b410316d70bb42aeff168837888d96810",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/ext4/fast_commit.c"
    ],
    "versions": [
      {
        "version": "5.10",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.10",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.163",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.87",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.0.18",
        "lessThanOrEqual": "6.0.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.4",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.2",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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