GHSA-MP83-3FXR-M45V

Vulnerability from github – Published: 2025-04-01 18:30 – Updated: 2025-11-03 21:33
VLAI?
Details

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

cifs: Fix integer overflow while processing acregmax mount option

User-provided mount parameter acregmax of type u32 is intended to have an upper limit, but before it is validated, the value is converted from seconds to jiffies which can lead to an integer overflow.

Found by Linux Verification Center (linuxtesting.org) with SVACE.

Severity ?
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
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{
  "affected": [],
  "aliases": [
    "CVE-2025-21964"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-190"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-04-01T16:15:27Z",
    "severity": "MODERATE"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ncifs: Fix integer overflow while processing acregmax mount option\n\nUser-provided mount parameter acregmax of type u32 is intended to have\nan upper limit, but before it is validated, the value is converted from\nseconds to jiffies which can lead to an integer overflow.\n\nFound by Linux Verification Center (linuxtesting.org) with SVACE.",
  "id": "GHSA-mp83-3fxr-m45v",
  "modified": "2025-11-03T21:33:26Z",
  "published": "2025-04-01T18:30:53Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-21964"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/0252c33cc943e9e48ddfafaa6b1eb72adb68a099"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/5f500874ab9b3cc8c169c2ab49f00b838520b9c5"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/7489161b1852390b4413d57f2457cd40b34da6cc"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/833f2903eb8b70faca7967319e580e9ce69729fc"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/a13351624a6af8d91398860b8c9d4cf6c8e63de5"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/dd190168e60ac15408f074a1fe0ce36aff34027b"
    },
    {
      "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:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}


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