#VU105049 Integer overflow in Linux kernel - CVE-2025-21736

Published: 2025-02-27 | Updated: 2025-05-11

Vulnerability identifier: #VU105049

Vulnerability risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2025-21736

CWE-ID: CWE-190

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Linux kernel
Operating systems & Components / Operating system

Vendor: Linux Foundation

Description

The vulnerability allows a local user to execute arbitrary code.

The vulnerability exists due to integer overflow within the nilfs_fiemap() function in fs/nilfs2/inode.c. A local user can execute arbitrary code.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Linux kernel: 6.1 - 6.1.128

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?