#VU106121 Improper locking in Linux kernel - CVE-2025-21892 

CSH
CYBERSECURITY HELP
Sign In REGISTER
 
Main Vulnerability Database Vulnerabilities #VU106121

#VU106121 Improper locking in Linux kernel - CVE-2025-21892

Published: March 27, 2025 / Updated: May 11, 2025


Vulnerability identifier: #VU106121
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2025-21892
CWE-ID: CWE-667
Exploitation vector: Local access
Exploit availability: No public exploit available
Vulnerable software:
Linux kernel
Software vendor:
Linux Foundation

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to improper locking within the mlx5r_umr_cleanup(), mlx5r_umr_recover() and mlx5r_umr_post_send_wait() functions in drivers/infiniband/hw/mlx5/umr.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.

External links