Race condition in Linux kernel - CVE-2025-37906

 

Race condition in Linux kernel - CVE-2025-37906

Published: May 21, 2025 / Updated: May 21, 2025


Vulnerability identifier: #VU109560
CSH Severity: Low
CVSS v4.0: 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-2025-37906
CWE-ID: CWE-362
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel

Detailed vulnerability description

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.


How to mitigate CVE-2025-37906

Install update from vendor's website.

Sources