NULL pointer dereference in Linux kernel - CVE-2023-52773
Published: May 31, 2024 / Updated: May 14, 2025
Vulnerability identifier: #VU90418
CSH Severity: 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-2023-52773
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 amdgpu_dm_i2c_xfer() function in drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
External links
- https://git.kernel.org/stable/c/fb5c134ca589fe670430acc9e7ebf2691ca2476d
- https://git.kernel.org/stable/c/5b14cf37b9f01de0b28c6f8960019d4c7883ce42
- https://git.kernel.org/stable/c/1d07b7e84276777dad3c8cfebdf8e739606f90c9
- https://git.kernel.org/stable/c/b71f4ade1b8900d30c661d6c27f87c35214c398c
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.64
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.5.13
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.3
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.7