ghsa-c4fm-qmm5-xqx8
Vulnerability from github
Published
2025-12-09 18:30
Modified
2025-12-09 18:30
Details

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

sctp: Prevent TOCTOU out-of-bounds write

For the following path not holding the sock lock,

sctp_diag_dump() -> sctp_for_each_endpoint() -> sctp_ep_dump()

make sure not to exceed bounds in case the address list has grown between buffer allocation (time-of-check) and write (time-of-use).

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{
  "affected": [],
  "aliases": [
    "CVE-2025-40331"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-12-09T16:17:43Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nsctp: Prevent TOCTOU out-of-bounds write\n\nFor the following path not holding the sock lock,\n\n  sctp_diag_dump() -\u003e sctp_for_each_endpoint() -\u003e sctp_ep_dump()\n\nmake sure not to exceed bounds in case the address list has grown\nbetween buffer allocation (time-of-check) and write (time-of-use).",
  "id": "GHSA-c4fm-qmm5-xqx8",
  "modified": "2025-12-09T18:30:36Z",
  "published": "2025-12-09T18:30:35Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-40331"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/2fe08fcaacb7eb019fa9c81db39b2214de216677"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/3006959371007fc2eae4a078f823c680fa52de1a"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/584307275b2048991b2e8984962189b6cc0a9b85"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/72e3fea68eac8d088e44c3dd954e843478e9240e"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/89eac1e150dbd42963e13d23828cb8c4e0763196"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/95aef86ab231f047bb8085c70666059b58f53c09"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b106a68df0650b694b254427cd9250c04500edd3"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c9119f243d9c0da3c3b5f577a328de3e7ffd1b42"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}


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