VDB
DEBIAN-CVE-2025-21962
DEBIAN-CVE-2025-21962
PUBLISHED
CVSS 5.5 MEDIUM
In the Linux kernel, the following vulnerability has been resolved: cifs: Fix integer overflow while processing closetimeo mount option User-provided mount parameter closetimeo 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.
Risk Scores
CVSS 3.1
5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Debian:11 | linux-6.1 | 6.1.129-1, *, 6.1.128-1 |
| Debian:12 | linux | 6.1.52-1, 6.1.55-1, 6.1.55-1~bpo11+1 |
| Debian:14 | linux | 0, 0 |
| Debian:13 | linux | 0, 0 |
Exploit Intelligence
- 4081.3.3.yml (github-poc)
Timeline
- Apr 1, 2025 CVE Published
- Apr 28, 2026 CVE Updated