#VU116823 Race condition in Linux kernel - CVE-2022-50554
Published: October 8, 2025 / Updated: October 26, 2025
Vulnerability identifier: #VU116823
Vulnerability risk: Low
CVSSv4.0: 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-2022-50554
CWE-ID: CWE-362
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a race condition within the blk_mq_rq_timed_out(), blk_mq_req_expired(), blk_mq_put_rq_ref(), blk_mq_check_expired() and blk_mq_timeout_work() functions in block/blk-mq.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's repository.