#VU120492 Improper locking in Linux kernel - CVE-2023-54128
Published: December 26, 2025 / Updated: December 31, 2025
Vulnerability identifier: #VU120492
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-2023-54128
CWE-ID: CWE-667
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 improper locking within the do_mount_setattr() function in fs/namespace.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/0af8fae81d8b7f1beddc17c5d4cfa43235134648
- https://git.kernel.org/stable/c/65c324d3f35c05e37afec39ac80743583fdcc96c
- https://git.kernel.org/stable/c/cb2239c198ad9fbd5aced22cf93e45562da781eb
- https://git.kernel.org/stable/c/ddca03d97daa7b07b60c52e3d3060762732c6666
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.24