#VU120632 Memory leak in Linux kernel - CVE-2023-54301
Published: December 30, 2025 / Updated: December 31, 2025
Vulnerability identifier: #VU120632
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-2023-54301
CWE-ID: CWE-401
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 memory leak within the brcmuart_probe() function in drivers/tty/serial/8250/8250_bcm7271.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/2a3e5f428fc4315be6144524912eaefac16f43a9
- https://git.kernel.org/stable/c/5258395e67fee6929fb8e50c8239f8de51b8cb2d
- https://git.kernel.org/stable/c/56a81445b8e4b8906d557518c5dae3ddbb447d1e
- https://git.kernel.org/stable/c/f264f2f6f4788dc031cef60a0cf2881902736709
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.113
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.30
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3.4
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.4