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CVE-2022-50020 ext4: avoid resizing to a partial cluster size

🗓️ 18 Jun 2025 11:01:24Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 11 Views

Linux kernel patch avoids ext4 resizing to partial cluster size, preventing filesystem corruption.

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/resize.c"
    ],
    "versions": [
      {
        "version": "d77147ff443b255d82c907a632c825b2cc610b10",
        "lessThan": "7bdfb01fc5f6b3696728aeb527c50386e0ee09a1",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d77147ff443b255d82c907a632c825b2cc610b10",
        "lessThan": "a6805b3dcf5cd41f2ae3a03dca43411135b99849",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d77147ff443b255d82c907a632c825b2cc610b10",
        "lessThan": "80288883294c5b4ed18bae0d8bd9c4a12f297074",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d77147ff443b255d82c907a632c825b2cc610b10",
        "lessThan": "72b850a2a996f72541172e7cf686d54a2b29bcd8",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d77147ff443b255d82c907a632c825b2cc610b10",
        "lessThan": "0082e99a9074ff88eff729c70c93454c8588d8e1",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d77147ff443b255d82c907a632c825b2cc610b10",
        "lessThan": "69cb8e9d8cd97cdf5e293b26d70a9dee3e35e6bd",
        "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/resize.c"
    ],
    "versions": [
      {
        "version": "4.15",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "4.15",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "4.19.256",
        "lessThanOrEqual": "4.19.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.4.211",
        "lessThanOrEqual": "5.4.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.138",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.63",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.19.4",
        "lessThanOrEqual": "5.19.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.0",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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