#VU115453 NULL pointer dereference in Linux kernel - CVE-2023-53167
Published: September 16, 2025 / Updated: September 22, 2025
Vulnerability identifier: #VU115453
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2023-53167
CWE-ID: CWE-476
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
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 repository.
External links
- 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