SB20241022127 - Improper locking in Linux kernel trace
Published: October 22, 2024 Updated: May 12, 2025
Security Bulletin ID
SB20241022127
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-2024-49976)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the stop_kthread() and stop_per_cpu_kthreads() functions in kernel/trace/trace_osnoise.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/a4a05ceffe8fad68b45de38fe2311bda619e76e2
- https://git.kernel.org/stable/c/09cb44cc3d3df7ade2cebc939d6257a2fa8afc7a
- https://git.kernel.org/stable/c/db8571a9a098086608c11a15856ff585789e67e8
- https://git.kernel.org/stable/c/b484a02c9cedf8703eff8f0756f94618004bd165
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10.14
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11.3
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.55