#VU115428 NULL pointer dereference in Linux kernel - CVE-2023-53232
Published: September 16, 2025 / Updated: September 22, 2025
Vulnerability identifier: #VU115428
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-2023-53232
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 mt7921_mcu_parse_response() function in drivers/net/wireless/mediatek/mt76/mt7921/mcu.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/11181b6c8641cd417935b76ea997d0169f2db262
- https://git.kernel.org/stable/c/12db28c3ef31f719bd18fa186a40bb152e6a527c
- https://git.kernel.org/stable/c/c8ba6780c65f681d217de79e17d63d5d538a239f
- https://git.kernel.org/stable/c/ec4d97e8eddcfa9f63f2f62adec5fb4f941ba2ef
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3.2