ghsa-gj89-4h85-hv53
Vulnerability from github
Published
2025-04-16 15:34
Modified
2025-11-03 21:33
Severity ?
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Details

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

ksmbd: fix use-after-free in ksmbd_sessions_deregister()

In multichannel mode, UAF issue can occur in session_deregister when the second channel sets up a session through the connection of the first channel. session that is freed through the global session table can be accessed again through ->sessions of connection.

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{
  "affected": [],
  "aliases": [
    "CVE-2025-22041"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-416"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-04-16T15:15:56Z",
    "severity": "HIGH"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nksmbd: fix use-after-free in ksmbd_sessions_deregister()\n\nIn multichannel mode, UAF issue can occur in session_deregister\nwhen the second channel sets up a session through the connection of\nthe first channel. session that is freed through the global session\ntable can be accessed again through -\u003esessions of connection.",
  "id": "GHSA-gj89-4h85-hv53",
  "modified": "2025-11-03T21:33:35Z",
  "published": "2025-04-16T15:34:40Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-22041"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/15a9605f8d69dc85005b1a00c31a050b8625e1aa"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/33cc29e221df7a3085ae413e8c26c4e81a151153"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/8ed0e9d2f410f63525afb8351181eea36c80bcf1"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/a8a8ae303a8395cbac270b5b404d85df6ec788f8"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ca042cc0e4f9e0d2c8f86dd67e4b22f30a516a9b"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f0eb3f575138b816da74697bd506682574742fcd"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}


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