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CVE-2025-21962

Description

In the Linux kernel, the following vulnerability has been resolved:cifs: Fix integer overflow while processing closetimeo mount optionUser-provided mount parameter closetimeo of type u32 is intended to havean upper limit, but before it is validated, the value is converted fromseconds to jiffies which can lead to an integer overflow.Found by Linux Verification Center (linuxtesting.org) with SVACE.

POC

Reference

No PoCs from references.

Github

- https://github.com/fkie-cad/nvd-json-data-feeds

- https://github.com/w4zu/Debian_security