#VU120870 Input validation error in Linux kernel - CVE-2023-54172
Published: December 30, 2025
Vulnerability identifier: #VU120870
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-2023-54172
CWE-ID: CWE-20
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 input validation within the hyperv_init() function in arch/x86/hyperv/hv_init.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/73626b70b361ddda7c380e52c236aa4f2487c402
- https://git.kernel.org/stable/c/98cccbd0a19a161971bc7f7feb10577adc62c400
- https://git.kernel.org/stable/c/d5ace2a776442d80674eff9ed42e737f7dd95056
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.45
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.4.10
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.5