ghsa-6mwh-579p-fgpg
Vulnerability from github
Published
2025-08-19 18:31
Modified
2025-11-03 18:31
Severity ?
8.5 (High) - CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
Details

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

ksmbd: fix Preauh_HashValue race condition

If client send multiple session setup requests to ksmbd, Preauh_HashValue race condition could happen. There is no need to free sess->Preauh_HashValue at session setup phase. It can be freed together with session at connection termination phase.

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{
  "affected": [],
  "aliases": [
    "CVE-2025-38561"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-362"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-08-19T17:15:32Z",
    "severity": "HIGH"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nksmbd: fix Preauh_HashValue race condition\n\nIf client send multiple session setup requests to ksmbd,\nPreauh_HashValue race condition could happen.\nThere is no need to free sess-\u003ePreauh_HashValue at session setup phase.\nIt can be freed together with session at connection termination phase.",
  "id": "GHSA-6mwh-579p-fgpg",
  "modified": "2025-11-03T18:31:33Z",
  "published": "2025-08-19T18:31:32Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-38561"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/44a3059c4c8cc635a1fb2afd692d0730ca1ba4b6"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/6613887da1d18dd2ecfd6c6148a873c4d903ebdc"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/7d7c0c5304c88bcbd7a85e9bcd61d27e998ba5fc"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b69fd87076daa66f3d186bd421a7b0ee0cb45829"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/edeecc7871e8fc0878d53ce286c75040a0e38f6c"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/fbf5c0845ed15122a770bca9be1d9b60b470d3aa"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html"
    },
    {
      "type": "WEB",
      "url": "https://www.zerodayinitiative.com/advisories/ZDI-25-916"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}


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