SB20251216140 - Improper locking in Linux kernel trace
Published: December 16, 2025
Security Bulletin ID
SB20251216140
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-2025-68173)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the ftrace_module_enable() function in kernel/trace/ftrace.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/4099b98203d6b33d990586542fa5beee408032a3
- https://git.kernel.org/stable/c/40c8ee40e48a2c82c762539952ed8fc0571db5bf
- https://git.kernel.org/stable/c/7e3c96010ade29bb340a5bdce8675f50c7f59001
- https://git.kernel.org/stable/c/a1dd0abd741a8111260676da729825d6c1461a71
- https://git.kernel.org/stable/c/e81e6d6d99b16dae11adbeda5c996317942a940c