SB20251008125 - Race condition in Linux kernel block
Published: October 8, 2025 Updated: October 26, 2025
Security Bulletin ID
SB20251008125
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Race condition (CVE-ID: CVE-2022-50554)
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 website.