#VU121394 NULL pointer dereference in Linux kernel - CVE-2025-71083
Published: January 14, 2026
Vulnerability identifier: #VU121394
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-2025-71083
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 ttm_bo_vm_access() function in drivers/gpu/drm/ttm/ttm_bo_vm.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/3d004f7341d4898889801ebb2ef61ffca610dd6f
- https://git.kernel.org/stable/c/491adc6a0f9903c32b05f284df1148de39e8e644
- https://git.kernel.org/stable/c/4b9944493c6d92d7b29cfd83aaf3deb842b8da79
- https://git.kernel.org/stable/c/5a81095d3e1b521ac7cfe3b14d5f149bace3d6e0
- https://git.kernel.org/stable/c/b94182b3d7228aec18d069cba56d5982e9bfe1b1