SB20250502184 - NULL pointer dereference in Linux kernel trace
Published: May 2, 2025 Updated: May 10, 2025
Security Bulletin ID
SB20250502184
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) NULL pointer dereference (CVE-ID: CVE-2022-49797)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the trace_event_file_is_valid() and kprobe_event_gen_test_init() 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/3a41c0f2a5c3bf72b4c4e9dd4b1025378201e332
- https://git.kernel.org/stable/c/bb70fcae4115d24b7e8cee17a6da8b1943f546bb
- https://git.kernel.org/stable/c/e0d75267f59d7084e0468bd68beeb1bf9c71d7c0
- https://git.kernel.org/stable/c/fd0efd4f7bfe611a8339ba01bc2ac3c33e79159d
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0.10