NULL pointer dereference in Linux kernel - CVE-2023-52861
Published: May 31, 2024 / Updated: May 14, 2025
Vulnerability identifier: #VU90456
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-2023-52861
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 it66121_audio_get_eld() function in drivers/gpu/drm/bridge/ite-it66121.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/2c80c4f0d2845645f41cbb7c9304c8efbdbd4331
- https://git.kernel.org/stable/c/1669d7b21a664aa531856ce85b01359a376baebc
- https://git.kernel.org/stable/c/1374561a7cbc9a000b77bb0473bb2c19daf18d86
- https://git.kernel.org/stable/c/d0375f6858c4ff7244b62b02eb5e93428e1916cd
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.63
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.5.12
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.2
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.7