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CVE-2022-50286 ext4: fix delayed allocation bug in ext4_clu_mapped for bigalloc + inline

🗓️ 15 Sep 2025 14:21:22Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 3 Views

CVE-2022-50286 fixes delayed allocation in ext4 for bigalloc and inline when converting inline data to extents.

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/extents.c"
    ],
    "versions": [
      {
        "version": "d40e09f701cf7a44e595a558b067b2b4f67fbf87",
        "lessThan": "f83391339d8493b9ff24167516aaa5a5e88d8f81",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "0b02f4c0d6d9e2c611dfbdd4317193e9dca740e6",
        "lessThan": "6f4200ec76a0d31200c308ec5a71c68df5417004",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "0b02f4c0d6d9e2c611dfbdd4317193e9dca740e6",
        "lessThan": "9404839e0c9db5a517ea83c0ca3388b39d105fdf",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "0b02f4c0d6d9e2c611dfbdd4317193e9dca740e6",
        "lessThan": "d440d6427a5e3a877c1c259b8d2b216ddb65e185",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "0b02f4c0d6d9e2c611dfbdd4317193e9dca740e6",
        "lessThan": "c0c8edbc8abbe8f16d80a1d794d1ba2c12b6f193",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "0b02f4c0d6d9e2c611dfbdd4317193e9dca740e6",
        "lessThan": "81b915181c630ee1cffa052e52874fe4e1ba91ac",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "0b02f4c0d6d9e2c611dfbdd4317193e9dca740e6",
        "lessThan": "131294c35ed6f777bd4e79d42af13b5c41bf2775",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "4.19.270",
        "lessThan": "4.19.271",
        "status": "affected",
        "versionType": "semver"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/ext4/extents.c"
    ],
    "versions": [
      {
        "version": "4.20",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "4.20",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "4.19.271",
        "lessThanOrEqual": "4.19.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.4.229",
        "lessThanOrEqual": "5.4.*",
        "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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