SB20251226260 - Improper locking in Linux kernel selinux ss
Published: December 26, 2025 Updated: December 31, 2025
Security Bulletin ID
SB20251226260
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-2022-50699)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the security/selinux/ss/sidtab.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/2723875e9d677401d775a03a72abab7e9538c20c
- https://git.kernel.org/stable/c/277378631d26477451424cc73982b977961f3d8b
- https://git.kernel.org/stable/c/3006766d247bc93a25b34e92fff2f75bda597e2e
- https://git.kernel.org/stable/c/abe3c631447dcd1ba7af972fe6f054bee6f136fa
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.152
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.76
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0.6
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1