#VU118492 Reachable assertion in Linux kernel - CVE-2025-40184
Published: November 13, 2025
Vulnerability identifier: #VU118492
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-2025-40184
CWE-ID: CWE-617
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 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 repository.