SB20250509125 - Improper locking in Linux kernel trace
Published: May 9, 2025 Updated: May 10, 2025
Security Bulletin ID
SB20250509125
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-2025-37884)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the __set_printk_clr_event() and bpf_get_trace_vprintk_proto() functions in kernel/trace/bpf_trace.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/255cbc9db7067a83713fd2f4b31034ddd266549a
- https://git.kernel.org/stable/c/45286680b385f2592db3003554872388dee66d68
- https://git.kernel.org/stable/c/4580f4e0ebdf8dc8d506ae926b88510395a0c1d1
- https://git.kernel.org/stable/c/b5a528a34e1f613565115a7a6016862ccbfcb9ac
- https://git.kernel.org/stable/c/c5c833f6375f8ecf9254dd27946c927c7d645421
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12.26