SB2025111332 - Reachable assertion in Linux kernel hyp nvhe
Published: November 13, 2025
Security Bulletin ID
SB2025111332
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) Reachable assertion (CVE-ID: CVE-2025-40184)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to reachable assertion within the __check_host_shared_guest(), __pkvm_host_relax_perms_guest() and __pkvm_host_mkyoung_guest() functions in arch/arm64/kvm/hyp/nvhe/mem_protect.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.