ghsa-mp9c-x94p-8jh7
Vulnerability from github
Published
2025-10-28 12:30
Modified
2025-10-28 12:30
Details

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

nbd: restrict sockets to TCP and UDP

Recently, syzbot started to abuse NBD with all kinds of sockets.

Commit cf1b2326b734 ("nbd: verify socket is supported during setup") made sure the socket supported a shutdown() method.

Explicitely accept TCP and UNIX stream sockets.

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{
  "affected": [],
  "aliases": [
    "CVE-2025-40080"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-10-28T12:15:42Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nnbd: restrict sockets to TCP and UDP\n\nRecently, syzbot started to abuse NBD with all kinds of sockets.\n\nCommit cf1b2326b734 (\"nbd: verify socket is supported during setup\")\nmade sure the socket supported a shutdown() method.\n\nExplicitely accept TCP and UNIX stream sockets.",
  "id": "GHSA-mp9c-x94p-8jh7",
  "modified": "2025-10-28T12:30:17Z",
  "published": "2025-10-28T12:30:17Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-40080"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/37ad11f20e164c23ce827dd455b42c0fdd29685c"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/4f9e6ff6319dbcebea64b50af0304cf0ad7e97e7"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/808e2335bc1cf2293b9e36ccc94c267c81509c71"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/9f7c02e031570e8291a63162c6c046dc15ff85b0"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c365e8f20f4201d873a70385bd919f0fb531e960"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}


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