ghsa-qxc4-32hc-g366
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:

crypto: lzo - Fix compression buffer overrun

Unlike the decompression code, the compression code in LZO never checked for output overruns. It instead assumes that the caller always provides enough buffer space, disregarding the buffer length provided by the caller.

Add a safe compression interface that checks for the end of buffer before each write. Use the safe interface in crypto/lzo.

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{
  "affected": [],
  "aliases": [
    "CVE-2025-38068"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-06-18T10:15:39Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: lzo - Fix compression buffer overrun\n\nUnlike the decompression code, the compression code in LZO never\nchecked for output overruns.  It instead assumes that the caller\nalways provides enough buffer space, disregarding the buffer length\nprovided by the caller.\n\nAdd a safe compression interface that checks for the end of buffer\nbefore each write.  Use the safe interface in crypto/lzo.",
  "id": "GHSA-qxc4-32hc-g366",
  "modified": "2025-06-18T12:30:33Z",
  "published": "2025-06-18T12:30:33Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-38068"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/0acdc4d6e679ba31d01e3e7e2e4124b76d6d8e2a"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/167373d77c70c2b558aae3e327b115249bb2652c"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/4b173bb2c4665c23f8fcf5241c7b06dfa6b5b111"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/7caad075acb634a74911830d6386c50ea12566cd"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/a98bd864e16f91c70b2469adf013d713d04d1d13"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/cc47f07234f72cbd8e2c973cdbf2a6730660a463"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}


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