#VU120540 Improper error handling in Linux kernel - CVE-2023-54056
Published: December 26, 2025 / Updated: December 31, 2025
Vulnerability identifier: #VU120540
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-2023-54056
CWE-ID: CWE-388
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 error handling within the function in kernel/kheaders.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/4a07d2d511e2703efd4387891d49e0326f1157f3
- https://git.kernel.org/stable/c/719459877d58c8aced5845c1e5b98d8d87d09197
- https://git.kernel.org/stable/c/82d2e01b95c439fe55fab5e04fc83387c42d3a48
- https://git.kernel.org/stable/c/b69edab47f1da8edd8e7bfdf8c70f51a2a5d89fb
- https://git.kernel.org/stable/c/b9f6845a492de20679b84bda6b08be347c5819da
- https://git.kernel.org/stable/c/d6d1af6b8611801b585c53c0cc63626c8d339e96
- https://git.kernel.org/stable/c/fcd2da2e6bf2640a31a2a5b118b50dc3635c707b
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.180