SB2026021695 - Improper locking in Linux kernel lib
Published: February 16, 2026
Security Bulletin ID
SB2026021695
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-2026-23168)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the fprop_global_destroy() function in lib/flex_proportions.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/0acc9ba7a1b5ba4d998c5753e709be904e179b75
- https://git.kernel.org/stable/c/78ede9ebd679dadf480dce6f7b798e3603f88348
- https://git.kernel.org/stable/c/884b2590ffcc7222cbbd6298051f4c243cc36f5d
- https://git.kernel.org/stable/c/b91a84299d72ae0e05551e851e47cd3008bd025b
- https://git.kernel.org/stable/c/dd9e2f5b38f1fdd49b1ab6d3a85f81c14369eacc