Description
Missing Authentication for Critical Function in AMD Secure Encrypted Virtualization (SEV) firmware could allow a malicious hypervisor to forge SEV-TIO guest request messages potentially compromising SEV-SNP guest memory integrity and confidentiality.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| AMD | AMD EPYC™ 9005 Series Processors | — | TurinPI_1.0.0.B |
| AMD | AMD EPYC™ 8005 Series Processors | — | TurinPI_1.0.0.B |
| AMD | AMD EPYC™ Embedded 9005 Series Processors | — | EmbeddedTurinPI_SP5_1005 |
Advisories 1
- WID-SEC-2026-4471 AMD Prozessor: Mehrere Schwachstellen BSI CERT-Bund (WID) · Nov 10, 2026