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CVE-2025-21962

cifs: Fix integer overflow while processing closetimeo mount option PUBLISHED

Description (CNA)

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 (CNA)

Vendor / productVersions
Linux / Linuxaffected 1d9cad9c5873097ea141ffc5da1e7921ce765aa8 before 513f6cf2e906a504b7ab0b62b2eea993a6f64558; affected 5efdd9122eff772eae2feae9f0fc0ec02d4846a3 before 9968fcf02cf6b0f78fbacf3f63e782162603855a; affected 5efdd9122eff772eae2feae9f0fc0ec02d4846a3 before 6c13fcb7cf59ae65940da1dfea80144e42921e53; affected 5efdd9122eff772eae2feae9f0fc0ec02d4846a3 before 1c46673be93dd2954f44fe370fb4f2b8e6214224; affected 5efdd9122eff772eae2feae9f0fc0ec02d4846a3 before b24edd5c191c2689c59d0509f0903f9487eb6317; affected 5efdd9122eff772eae2feae9f0fc0ec02d4846a3 before d5a30fddfe2f2e540f6c43b59cf701809995faef; affected 5.15.107 before 5.15.180
Linux / Linuxaffected 6.0; unaffected 0 before 6.0; unaffected 5.15.180 through 5.15.*; unaffected 6.1.132 through 6.1.*; unaffected 6.6.84 through 6.6.*; unaffected 6.12.20 through 6.12.*; unaffected 6.13.8 through 6.13.*; unaffected 6.14 through *

CWE

No CWE identifiers supplied.

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.

CVE

No English description supplied.