Description
Improper Access Control Applied to Mirrored or Aliased Memory Regions in AMD Secure Encrypted Virtualization (SEV) firmware could allow a malicious hypervisor to change the encryption bit for guest context pages potentially resulting in loss of integrity.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| AMD | AMD EPYC™ 8005 Series Processors | patch: TurinPI_1.0.0.B | — |
| AMD | AMD EPYC™ 8004 Series Processors | patch: GenoaPI_1.0.0.J | — |
| AMD | AMD EPYC™ Embedded 9004 Series Processors (formerly codenamed "Genoa") | patch: EmbeddedGenoaPI_1.0.0.E | — |
| AMD | AMD EPYC™ Embedded 8004 Series Processors | patch: EmbeddedGenoaPI_1.0.0.E | — |
| AMD | AMD EPYC™ 9004 Series Processors | patch: GenoaPI_1.0.0.J | — |
| AMD | AMD EPYC™ Embedded 9005 Series Processors | patch: EmbeddedTurinPI_SP5_1005 | — |
| AMD | AMD EPYC™ 7003 Series Processors | patch: MilanPI-SP3_1.0.0.K | — |
| AMD | AMD EPYC™ Embedded 7003 Series Processors | patch: EmbMilanPI-SP3 1.0.0.E | — |
| AMD | AMD EPYC™ Embedded 9004 Series Processors (formerly codenamed "Bergamo") | patch: EmbeddedGenoaPI_1.0.0.E | — |
| AMD | AMD EPYC™ 9005 Series Processors | patch: TurinPI_1.0.0.B | — |
Advisories 1
- WID-SEC-2026-4471 AMD Prozessor: Mehrere Schwachstellen BSI CERT-Bund (WID) · Nov 10, 2026