SB2025050230 - Memory leak in Linux kernel trace
Published: May 2, 2025 Updated: May 10, 2025
Security Bulletin ID
SB2025050230
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) Memory leak (CVE-ID: CVE-2022-49891)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the test_gen_kprobe_cmd() and test_gen_kretprobe_cmd() functions in kernel/trace/kprobe_event_gen_test.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/66f0919c953ef7b55e5ab94389a013da2ce80a2c
- https://git.kernel.org/stable/c/71aeb8d01a8c7ab5cf7da3f81b35206f56ce6bca
- https://git.kernel.org/stable/c/bef08acbe560a926b4cee9cc46404cc98ae5703b
- https://git.kernel.org/stable/c/d1b6a8e3414aeaa0985139180c145d2d0fbd2a49
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.78