#VU116542 NULL pointer dereference in Linux kernel - CVE-2023-53534
Published: October 5, 2025 / Updated: October 27, 2025
Vulnerability identifier: #VU116542
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-2023-53534
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 mtk_drm_crtc_create() function in drivers/gpu/drm/mediatek/mtk_drm_crtc.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/5bf1e3bd7da625ccf9a22c8cb7d65271e6e47f4c
- https://git.kernel.org/stable/c/62952905e195f7350bc230cf0960a74ddbceed5d
- https://git.kernel.org/stable/c/67ea657c7891c2f86a7750395640d9bdf2555926
- https://git.kernel.org/stable/c/7d569ae98ee5490585929be69fea68047679b7b2
- https://git.kernel.org/stable/c/b64b6dff15a38468b8cd33fc7864fa4e02b0933a
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.173