ghsa-j2x9-qg6q-8wg7
Vulnerability from github
Published
2025-08-16 15:30
Modified
2025-11-18 18:32
Severity ?
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Details

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

ksmbd: validate command request size

In commit 2b9b8f3b68ed ("ksmbd: validate command payload size"), except for SMB2_OPLOCK_BREAK_HE command, the request size of other commands is not checked, it's not expected. Fix it by add check for request size of other commands.

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{
  "affected": [],
  "aliases": [
    "CVE-2023-4515"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-08-16T14:15:27Z",
    "severity": "MODERATE"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nksmbd: validate command request size\n\nIn commit 2b9b8f3b68ed (\"ksmbd: validate command payload size\"), except\nfor SMB2_OPLOCK_BREAK_HE command, the request size of other commands\nis not checked, it\u0027s not expected. Fix it by add check for request\nsize of other commands.",
  "id": "GHSA-j2x9-qg6q-8wg7",
  "modified": "2025-11-18T18:32:49Z",
  "published": "2025-08-16T15:30:30Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-4515"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/595679098bdcdbfbba91ebe07a2f7f208df93870"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/5aa4fda5aa9c2a5a7bac67b4a12b089ab81fee3c"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c6bef3bc30fd4a175aef846b7d928a6c40d091cd"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ff7236b66d69582f90cf5616e63cfc3dc18142bb"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}


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