#VU120490 Improper locking in Linux kernel - CVE-2023-54124
Published: December 26, 2025 / Updated: December 31, 2025
Vulnerability identifier: #VU120490
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-2023-54124
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 __write_data_page() function in fs/f2fs/data.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/4ceedc2f8bdffb82e40b7d1bb912304f8e157cb1
- https://git.kernel.org/stable/c/7741ddc882a0c806a6508ba8203c55a779db7a21
- https://git.kernel.org/stable/c/82c3d6e9db41cbd3af1d4f90bdb441740b5fad10
- https://git.kernel.org/stable/c/92575f05a32dafb16348bfa5e62478118a9be069
- https://git.kernel.org/stable/c/ad87bd313f70b51e48019d5ce2d02d73152356b3
- https://git.kernel.org/stable/c/c9b3649a934d131151111354bcbb638076f03a30
- https://git.kernel.org/stable/c/d8f4ad5f3979dbd8e6251259562f12472717883a
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.113