#VU120345 Memory leak in Linux kernel - CVE-2023-54036
Published: December 26, 2025 / Updated: December 31, 2025
Vulnerability identifier: #VU120345
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-2023-54036
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 rtl8xxxu_c2hcmd_callback() function in drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.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/35fb0e275af1aa1ca0a9784417e90f988aaf8e78
- https://git.kernel.org/stable/c/430f9f9bec53a75f9ccc53e156a66f13fc098b83
- https://git.kernel.org/stable/c/93c3f34ec02fc81188d328287d4fddd498ccddea
- https://git.kernel.org/stable/c/b39f662ce1648db0b9de32e6a849b098480793cb
- https://git.kernel.org/stable/c/f39a86b4efd270947ee252cc32a30b0aef492d65
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2.3