Improper locking in Linux kernel - CVE-2023-54068
Published: December 26, 2025 / Updated: December 31, 2025
Vulnerability identifier: #VU120498
CSH Severity: Low
CVSS v4.0: 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-2023-54068
CWE-ID: CWE-667
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the f2fs_write_raw_pages() function in fs/f2fs/compress.c. A local user can perform a denial of service (DoS) attack.
How to mitigate CVE-2023-54068
Install update from vendor's repository.
Sources
- https://git.kernel.org/stable/c/169134da419cb8ffbe3b0743bc24573e16952ea9
- https://git.kernel.org/stable/c/6604df2a9d07ba8f8fb1ac14046c2c83776faa4f
- https://git.kernel.org/stable/c/9940877c4fe752923a53f0f7372f2f152b6eccf0
- https://git.kernel.org/stable/c/a8226a45b2a9ce83ba7a167a387a00fecc319e71
- https://git.kernel.org/stable/c/ad31eed06c3b4d63b2d38322a271d4009aee4bb3
- https://git.kernel.org/stable/c/babedcbac164cec970872b8097401ca913a80e61
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.180
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.111
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.28
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2.15
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3.2
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.4