CVE-2025-61971 – AMD SEV-SNP MMIO Routing Configuration Modification Vulnerability

CVE ID :CVE-2025-61971

Published : May 13, 2026, 3:02 a.m. | 55 minutes ago

Description :Missing lock bit protection for NBIO registers could allow a local admin-privileged attacker to modify MMIO routing configurations, potentially resulting in loss of SEV-SNP guest integrity.

Severity: 5.9 | MEDIUM

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