PT-2025-14343 · Linux+10 · Linux Kernel+10
Published
2025-03-11
·
Updated
2026-04-20
·
CVE-2025-21962
CVSS v3.1
5.5
Medium
| Vector | AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
Name of the Vulnerable Software and Affected Versions
Linux kernel (affected versions not specified)
Description
The issue is related to an integer overflow in the Linux kernel when processing the
closetimeo mount option. This occurs because the user-provided closetimeo parameter, which is of type u32, is converted from seconds to jiffies before validation, leading to a potential integer overflow. The Linux Verification Center (linuxtesting.org) with SVACE discovered this issue.Recommendations
At the moment, there is no information about a newer version that contains a fix for this vulnerability.
Exploit
DoS
Integer Overflow
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Weakness Enumeration
Related Identifiers
Affected Products
Alt Linux
Almalinux
Astra Linux
Debian
Linuxmint
Linux Kernel
Red Hat
Red Os
Rocky Linux
Suse
Ubuntu