CVEvulnerability
CVE-2025-21963
5.5 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2025-04-01
- Last modified
- 2026-06-17
- Assigner
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
- CVSS 3.1 ([email protected])
- 5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
- 5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-190
Description
In the Linux kernel, the following vulnerability has been resolved:
cifs: Fix integer overflow while processing acdirmax mount option
User-provided mount parameter acdirmax 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.
Affected configurations
• linux linux kernel (>= 5.12 < 5.15.180)
• linux linux kernel (>= 5.16 < 6.1.132)
• linux linux kernel (>= 6.2 < 6.6.84)
• linux linux kernel (>= 6.7 < 6.12.20)
• linux linux kernel (>= 6.13 < 6.13.8)
• linux linux kernel 6.14
Related
Weakness · CWE (1)
- CWE-190 Integer Overflow or Wraparound weakness
References
- https://git.kernel.org/stable/c/0c26edf477e093cefc41637f5bccc102e1a77399 Patch
- https://git.kernel.org/stable/c/2809a79bc64964ce02e0c5f2d6bd39b9d09bdb3c Patch
- https://git.kernel.org/stable/c/39d086bb3558da9640ef335f97453e01d32578a1 Patch
- https://git.kernel.org/stable/c/5b29891f91dfb8758baf1e2217bef4b16b2b165b Patch
- https://git.kernel.org/stable/c/6124cbf73e3dea7591857dd63b8ccece28952afd Patch
- https://git.kernel.org/stable/c/9e438d0410a4002d24f420f2c28897ba2dc0af64 Patch
- https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html lists.debian.org