ghsa-3rcg-456g-86p6
Vulnerability from github
Published
2025-05-20 18:30
Modified
2025-05-24 21:30
Details

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

ksmbd: fix use-after-free in session logoff

The sess->user object can currently be in use by another thread, for example if another connection has sent a session setup request to bind to the session being free'd. The handler for that connection could be in the smb2_sess_setup function which makes use of sess->user.

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{
  "affected": [],
  "aliases": [
    "CVE-2025-37899"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-05-20T16:15:26Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nksmbd: fix use-after-free in session logoff\n\nThe sess-\u003euser object can currently be in use by another thread, for\nexample if another connection has sent a session setup request to\nbind to the session being free\u0027d. The handler for that connection could\nbe in the smb2_sess_setup function which makes use of sess-\u003euser.",
  "id": "GHSA-3rcg-456g-86p6",
  "modified": "2025-05-24T21:30:29Z",
  "published": "2025-05-20T18:30:54Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-37899"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/02d16046cd11a5c037b28c12ffb818c56dd3ef43"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/2fc9feff45d92a92cd5f96487655d5be23fb7e2b"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d5ec1d79509b3ee01de02c236f096bc050221b7f"
    },
    {
      "type": "WEB",
      "url": "https://news.ycombinator.com/item?id=44081338"
    },
    {
      "type": "WEB",
      "url": "https://sean.heelan.io/2025/05/22/how-i-used-o3-to-find-cve-2025-37899-a-remote-zeroday-vulnerability-in-the-linux-kernels-smb-implementation"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}


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