#VU120478 NULL pointer dereference in Linux kernel - CVE-2023-54018
Published: December 26, 2025 / Updated: December 31, 2025
Vulnerability identifier: #VU120478
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-2023-54018
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 msm_hdmi_init() function in drivers/gpu/drm/msm/hdmi/hdmi.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/1bab31a0969ca4ac90907a5d3b44af104229eafd
- https://git.kernel.org/stable/c/392f7eb3946ab3780b931af723033e19f82c9134
- https://git.kernel.org/stable/c/9a01ecc312e764ec4527ad49105a3ca799f1860c
- https://git.kernel.org/stable/c/ae5ca116a0c0ba9fc4123b1f1ec3c4f4d0d01b3f
- https://git.kernel.org/stable/c/afe4cb96153a0d8003e4e4ebd91b5c543e10df84
- https://git.kernel.org/stable/c/b479485b24da1d572a0ce875537af31b02d2f915
- https://git.kernel.org/stable/c/e55f93d674314f2fb69eba0dc24acfdf72805611
- https://git.kernel.org/stable/c/fc34608fa275fe6b3b17e171b63b8ca3aa1cbf09
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.235