CVE-2025-21962mediumCWE-190

cifs: Fix integer overflow while processing closetimeo mount option

13Vexday Risk Score

Sin señal de explotación. Ningún artefacto público de explotación conocido hasta ahora.

ssvc Trackcvss 5.5epss 0.2%

probabilidad de explotación

0.2%top 89% de las CVE

explotación observada

noninguna fuente lo reporta

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.

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Productos afectados

Linux · Linux

Referencias

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