SB2025052166 - Race condition in Linux kernel block driver
Published: May 21, 2025 Updated: May 21, 2025
Security Bulletin ID
SB2025052166
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-2025-37906)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a race condition within the ublk_start_cancel(), ublk_uring_cmd_cancel_fn() and ublk_cancel_queue() functions in drivers/block/ublk_drv.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.