CVE-2025-54503: Medium severity AMD Secure Encrypted Virtualization (SEV) firmware vulnerability
Published Nov 10, 2026
·Updated
Improper handling of overlap between protected memory ranges in the Secure Encrypted Virtualization (SEV) firmware could allow a privileged attacker to cause misconfigurations in the RMP potentially resulting in loss of integrity.
Affected Software
1 affected component
AMD Secure Encrypted Virtualization (SEV) firmware
Event History
Nov 10, 2026
CVE Published
via MITRE·09:44 PM
Data Sourced
via MITRE·09:44 PM
DescriptionWeakness
Data Sourced
via NVD·10:17 PM
DescriptionSeverityWeakness