#VU121500 NULL pointer dereference in Linux kernel - CVE-2025-71125
Published: January 14, 2026
Vulnerability identifier: #VU121500
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-2025-71125
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 trace_event_reg() function in kernel/trace/trace_events.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/3437c775bf209c674ad66304213b6b3c3b1b3f69
- https://git.kernel.org/stable/c/65b1971147ec12f0b1cee0811c859a3d7d9b04ce
- https://git.kernel.org/stable/c/6df47e5bb9b62d72f186f826ab643ea1856877c7
- https://git.kernel.org/stable/c/ef7f38df890f5dcd2ae62f8dbde191d72f3bebae
- https://git.kernel.org/stable/c/f7305697b60d79bc69c0a6e280fc931b4e8862dd