https://seclists.org/oss-sec/2026/q2/502: Xen Security Advisory 490 v1 (CVE-2025-54518) - x86: CPU Opcode Cache corruption
Published May 12, 2026
·Updated
Affected Software
1 affected component
XEN Xen>=0
Frequently Asked Questions
1
What is the severity of CVE-2025-54518?
CVE-2025-54518 is considered to have a high severity due to the potential for elevated privilege execution.
2
How do I fix CVE-2025-54518?
To fix CVE-2025-54518, apply the latest security patches provided by the Xen project.
3
What systems are affected by CVE-2025-54518?
CVE-2025-54518 affects certain AMD CPUs running the Xen hypervisor.
4
What are the potential impacts of CVE-2025-54518?
The potential impact of CVE-2025-54518 includes unauthorized code execution with elevated privileges.
5
Who disclosed CVE-2025-54518?
CVE-2025-54518 was disclosed by AMD as a security advisement regarding their CPU vulnerabilities.