medium5.5
CVE-2025-21962
In the Linux kernel, the following vulnerability has been resolved: cifs: Fix integer overflow while processing closetimeo mount option User-provided mount par…
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Linux | Linux Kernel | from 5.15.107 before 5.15.180 from 6.0 before 6.1.132 from 6.2 before 6.6.84 from 6.7 before 6.12.20 from 6.13 before 6.13.8 Version 6.14 |
Weakness classification
References
- NVD record
- CVE.org record
- https://git.kernel.org/stable/c/1c46673be93dd2954f44fe370fb4f2b8e6214224
- https://git.kernel.org/stable/c/513f6cf2e906a504b7ab0b62b2eea993a6f64558
- https://git.kernel.org/stable/c/6c13fcb7cf59ae65940da1dfea80144e42921e53
- https://git.kernel.org/stable/c/9968fcf02cf6b0f78fbacf3f63e782162603855a
- https://git.kernel.org/stable/c/b24edd5c191c2689c59d0509f0903f9487eb6317
- https://git.kernel.org/stable/c/d5a30fddfe2f2e540f6c43b59cf701809995faef
- https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html