NULL pointer dereference in Linux kernel - CVE-2023-53864
Published: December 10, 2025 / Updated: December 12, 2025
Vulnerability identifier: #VU119509
CSH Severity: Low
CVSS v4.0: 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-2023-53864
CWE-ID: CWE-476
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability 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 mxsfb_plane_overlay_atomic_update() function in drivers/gpu/drm/mxsfb/mxsfb_kms.c. A local user can perform a denial of service (DoS) attack.
How to mitigate CVE-2023-53864
Install update from vendor's repository.
Sources
- https://git.kernel.org/stable/c/0f98de0a11d29821d9448114178ddc1b1fe32a18
- https://git.kernel.org/stable/c/8bf2d4ca521d3acb57fc1607386e749b3cc92aaf
- https://git.kernel.org/stable/c/aa656d48e871a1b062e1bbf9474d8b831c35074c
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.54
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.5.4
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6