SB20251230257 - Improper locking in Linux kernel net driver
Published: December 30, 2025 Updated: December 30, 2025
Security Bulletin ID
SB20251230257
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper locking (CVE-ID: CVE-2023-54236)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the net_failover_select_queue() function in drivers/net/net_failover.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/105cc268328231d5c2bfcbd03f265cec444a3492
- https://git.kernel.org/stable/c/2d5cebf57296f0189a61482035ad420384eedead
- https://git.kernel.org/stable/c/44d250c22209c680f61befbc2ac326da5452da01
- https://git.kernel.org/stable/c/c942f5cd63b7c2e73fe06744185a34b03267595b
- https://git.kernel.org/stable/c/e3cbdcb0fbb61045ef3ce0e072927cc41737f787
- https://git.kernel.org/stable/c/f032e125149d914e542548c17ebd613851031368
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.177