SB20251230315 - Input validation error in Linux kernel x86 hyperv
Published: December 30, 2025
Security Bulletin ID
SB20251230315
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Input validation error (CVE-ID: CVE-2023-54172)
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 website.
References
- 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