SB2024093033 - Use-after-free in Linux kernel trace
Published: September 30, 2024 Updated: May 12, 2025
Security Bulletin ID
SB2024093033
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Use-after-free (CVE-ID: CVE-2024-46845)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the this_cpu_tmr_var() and timerlat_fd_release() functions in kernel/trace/trace_osnoise.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/8c72f0b2c45f21cb8b00fc37f79f632d7e46c2ed
- https://git.kernel.org/stable/c/8a9d0d405159e9c796ddf771f7cff691c1a2bc1e
- https://git.kernel.org/stable/c/e6a53481da292d970d1edf0d8831121d1c5e2f0d
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10.10
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.51