ghsa-hhx5-crr2-8g8p
Vulnerability from github
Published
2025-06-18 12:30
Modified
2025-06-18 12:30
Details

In the Linux kernel, the following vulnerability has been resolved:

ext4: avoid resizing to a partial cluster size

This patch avoids an attempt to resize the filesystem to an unaligned cluster boundary. An online resize to a size that is not integral to cluster size results in the last iteration attempting to grow the fs by a negative amount, which trips a BUG_ON and leaves the fs with a corrupted in-memory superblock.

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{
  "affected": [],
  "aliases": [
    "CVE-2022-50020"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-06-18T11:15:30Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\next4: avoid resizing to a partial cluster size\n\nThis patch avoids an attempt to resize the filesystem to an\nunaligned cluster boundary.  An online resize to a size that is not\nintegral to cluster size results in the last iteration attempting to\ngrow the fs by a negative amount, which trips a BUG_ON and leaves the fs\nwith a corrupted in-memory superblock.",
  "id": "GHSA-hhx5-crr2-8g8p",
  "modified": "2025-06-18T12:30:42Z",
  "published": "2025-06-18T12:30:42Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-50020"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/0082e99a9074ff88eff729c70c93454c8588d8e1"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/53f62a4201be1cfc1e3c971e566888b182c3ffb0"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/69cb8e9d8cd97cdf5e293b26d70a9dee3e35e6bd"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/72b850a2a996f72541172e7cf686d54a2b29bcd8"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/7bdfb01fc5f6b3696728aeb527c50386e0ee09a1"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/80288883294c5b4ed18bae0d8bd9c4a12f297074"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/952b3dc02baaae6a69c71c0aca23e06741182d9a"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/a6805b3dcf5cd41f2ae3a03dca43411135b99849"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}


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