Description
An off-by-one error in AMD Secure Encrypted Virtualization (SEV) firmware could allow an attacker with hypervisor access to corrupt the Reverse Map Table (RMP) table, potentially resulting in loss of guest memory integrity.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| AMD | AMD EPYC™ 9004 Series Processors | — | GenoaPI_1.0.0.J |
| AMD | AMD EPYC™ 7003 Series Processors | — | MilanPI-SP3_1.0.0.K |
| AMD | AMD EPYC™ 8004 Series Processors | — | GenoaPI_1.0.0.J |
| AMD | AMD EPYC™ Embedded 7003 Series Processors | — | EmbMilanPI-SP3 1.0.0.E |
| AMD | AMD EPYC™ Embedded 9004 Series Processors (formerly codenamed "Genoa") | — | EmbeddedGenoaPI_1.0.0.E |
| AMD | AMD EPYC™ Embedded 9004 Series Processors (formerly codenamed "Bergamo") | — | EmbeddedGenoaPI_1.0.0.E |
| AMD | AMD EPYC™ Embedded 8004 Series Processors | — | EmbeddedGenoaPI_1.0.0.E |
Advisories 1
- WID-SEC-2026-4471 AMD Prozessor: Mehrere Schwachstellen BSI CERT-Bund (WID) · Nov 10, 2026