#VU116811 Reachable assertion in Linux kernel - CVE-2023-53663
Published: October 8, 2025 / Updated: October 26, 2025
Vulnerability identifier: #VU116811
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-2023-53663
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 nested_vmcb02_prepare_control() function in arch/x86/kvm/svm/nested.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/02b24270568f65dd607c4a848512dc8055b4491b
- https://git.kernel.org/stable/c/6c1ecfea1daf6e75c46e295aad99dfbafd878897
- https://git.kernel.org/stable/c/7cafe9b8e22bb3d77f130c461aedf6868c4aaf58
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.54
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.5.4
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6