SB20250916192 - NULL pointer dereference in Linux kernel trace
Published: September 16, 2025 Updated: September 22, 2025
Security Bulletin ID
SB20250916192
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-2023-53167)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the function in kernel/trace/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/02b0095e2fbbc060560c1065f86a211d91e27b26
- https://git.kernel.org/stable/c/1e1c9aa9288a46c342f0f2c5c0b1c0876b9b0276
- https://git.kernel.org/stable/c/3b5d9b7b875968a8a8c99dac45cb85b705c44802
- https://git.kernel.org/stable/c/7060e5aac6dc195124c106f49106d653a416323a
- https://git.kernel.org/stable/c/93114cbc7cb169f6f26eeaed5286b91bb86b463b
- https://git.kernel.org/stable/c/938d5b7a75e18264887387ddf9169db6d8aeef98
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.40