#VU120482 NULL pointer dereference in Linux kernel - CVE-2023-53991
Published: December 26, 2025 / Updated: December 31, 2025
Vulnerability identifier: #VU120482
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-2023-53991
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 dpu_rm_get_assigned_resources() function in drivers/gpu/drm/msm/disp/dpu1/dpu_rm.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/8dbd54d679e3ab37be43bc1ed9f463dbf83a2259
- https://git.kernel.org/stable/c/9e1e236acdc42b5c43ec8d7f03a39537e70cc309
- https://git.kernel.org/stable/c/9fe3644c720ac87d150f0bba5a4ae86cae55afaf
- https://git.kernel.org/stable/c/abc40122d9a69f56c04efb5a7485795f5ac799d1
- https://git.kernel.org/stable/c/bf661c5e3bc48973acb363c76e3db965d9ed26d0
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.99