NULL pointer dereference in Linux kernel - CVE-2023-53714
Published: October 23, 2025 / Updated: October 26, 2025
Vulnerability identifier: #VU117586
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-2023-53714
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 ltdc_crtc_disable_vblank() function in drivers/gpu/drm/stm/ltdc.c. A local user can perform a denial of service (DoS) attack.
How to mitigate CVE-2023-53714
Install update from vendor's repository.
Sources
- https://git.kernel.org/stable/c/04fe3b82528232aa85a6c45464906d0727ef4f20
- https://git.kernel.org/stable/c/340dba127bbed51e8425cd8e097aacfadd175462
- https://git.kernel.org/stable/c/898a9e3f56db9860ab091d4bf41b6caa99aafc3d
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.47
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.4.12
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.5