SB2026021689 - Improper locking in Linux kernel lib
Published: February 16, 2026
Security Bulletin ID
SB2026021689
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-2026-23199)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the get_build_id_64(), __build_id_parse() and build_id_parse_nofault() functions in lib/buildid.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.