QwikSec

Security Database

CVE

CWE

Training

CVE Database
/

CVE-2025-21962

Back to search

CVE-2025-21962

Published: Apr 1, 2025

Modified: May 23, 2026

PUBLISHED

Description

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.

VendorProductVersions

Linux

Linux

affected
1d9cad9c5873097ea141ffc5da1e7921ce765aa8 - < 513f6cf2e906a504b7ab0b62b2eea993a6f64558
affected
5efdd9122eff772eae2feae9f0fc0ec02d4846a3 - < 9968fcf02cf6b0f78fbacf3f63e782162603855a
affected
5efdd9122eff772eae2feae9f0fc0ec02d4846a3 - < 6c13fcb7cf59ae65940da1dfea80144e42921e53
affected
5efdd9122eff772eae2feae9f0fc0ec02d4846a3 - < 1c46673be93dd2954f44fe370fb4f2b8e6214224
affected
5efdd9122eff772eae2feae9f0fc0ec02d4846a3 - < b24edd5c191c2689c59d0509f0903f9487eb6317

+2 more versions

Linux

Linux

affected
6.0
unaffected
0 - < 6.0
unaffected
5.15.180 - <= 5.15.*
unaffected
6.1.132 - <= 6.1.*
unaffected
6.6.84 - <= 6.6.*

+3 more versions

References

Security Training

Train your team to recognize and prevent security threats with our comprehensive security awareness program.

Start Training

Vulnerability Scanning

Discover vulnerabilities in your applications and infrastructure before attackers do.

Scan Now