#VU115912 NULL pointer dereference in Linux kernel - CVE-2023-53444

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Main Vulnerability Database Vulnerabilities #VU115912

#VU115912 NULL pointer dereference in Linux kernel - CVE-2023-53444

Published: September 19, 2025 / Updated: September 22, 2025


Vulnerability identifier: #VU115912
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-2023-53444
CWE-ID: CWE-476
Exploitation vector: Local access
Exploit availability: No public exploit available
Vulnerable software:
Linux kernel
Software vendor:
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_lru_bulk_move_pos_tail() and ttm_lru_bulk_move_del() functions in drivers/gpu/drm/ttm/ttm_resource.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's repository.

External links