CVE-2025-54518

Description

Improper isolation of shared resources within the CPU operation cache on Zen 2-based products could allow an attacker to corrupt instructions executed at a different privilege level, potentially resulting in privilege escalation.

References

• https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-7052.html
• http://www.openwall.com/lists/oss-security/2026/05/12/15
• http://xenbits.xen.org/xsa/advisory-490.html