SB20251226227 - Improper locking in Linux kernel
Published: December 26, 2025 Updated: December 31, 2025
Security Bulletin ID
SB20251226227
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-2023-54160)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the include/linux/cpuhotplug.h. 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/18d5ea5b746120a3972e6c347ad9428228445327
- https://git.kernel.org/stable/c/48ac727ea4a3577eb1b4e24f807ba532c47930f9
- https://git.kernel.org/stable/c/59842a9ba27d5390ae5bf3233a92cad3a26d495c
- https://git.kernel.org/stable/c/66caf22787714c925e755719c293aaf3cb0b873b
- https://git.kernel.org/stable/c/7d8f5ccc826b39e05ff252b1fccd808c7a0725e0
- https://git.kernel.org/stable/c/a8267bc8de736cae927165191b52fbc20d101dd1
- https://git.kernel.org/stable/c/d2c48b2387eb89e0bf2a2e06e30987cf410acad4
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.284
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.181
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.113
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.244
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.30
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3.4
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.4