ghsa-6hjx-r579-83fp
Vulnerability from github
Published
2025-02-27 03:34
Modified
2025-03-13 15:32
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: fix integer overflows on 32 bit systems

On 32bit systems the addition operations in ipc_msg_alloc() can potentially overflow leading to memory corruption. Add bounds checking using KSMBD_IPC_MAX_PAYLOAD to avoid overflow.

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{
  "affected": [],
  "aliases": [
    "CVE-2025-21748"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-190"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-02-27T03:15:15Z",
    "severity": "MODERATE"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nksmbd: fix integer overflows on 32 bit systems\n\nOn 32bit systems the addition operations in ipc_msg_alloc() can\npotentially overflow leading to memory corruption.\nAdd bounds checking using KSMBD_IPC_MAX_PAYLOAD to avoid overflow.",
  "id": "GHSA-6hjx-r579-83fp",
  "modified": "2025-03-13T15:32:50Z",
  "published": "2025-02-27T03:34:04Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-21748"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/760568c1f62ea874e8fb492f9cfa4f47b4b8391e"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/82f59d64e6297f270311b16b5dcf65be406d1ea3"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/aab98e2dbd648510f8f51b83fbf4721206ccae45"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b4b902737746c490258de5cb55cab39e79927a67"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ecb9947fa7c99a77b04d43404c6988a0d326e4a0"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f3b9fb2764591d792d160f375851013665a9e820"
    }
  ],
  "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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