#VU120764 NULL pointer dereference in Linux kernel - CVE-2023-54287
Published: December 30, 2025 / Updated: December 30, 2025
Vulnerability identifier: #VU120764
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-2023-54287
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 imx_uart_probe() function in drivers/tty/serial/imx.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/3d41d9b256ae626c0dc434427c8e32450358d3b4
- https://git.kernel.org/stable/c/963875b0655197281775b0ea614aab8b6b3eb001
- https://git.kernel.org/stable/c/9795ece3a85ba9238191e97665586e2d79703ff3
- https://git.kernel.org/stable/c/ef25e16ea9674b713a68c3bda821556ce9901254
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.99
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.16
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2.3
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3