Description
Improper access control for register interface in the Input-Output Memory Management Unit (IOMMU) could allow a privileged attacker to cause non-coherent accesses by the AMD Secure Processor (ASP), potentially resulting in loss of integrity.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| AMD | AMD EPYC™ 9004 Series Processors | — | GenoaPI_1.0.0.H |
| AMD | AMD EPYC™ 9005 Series Processors | — | TurinPI_1.0.0.8 |
| AMD | AMD EPYC™ 8004 Series Processors | — | GenoaPI_1.0.0.H |
| AMD | AMD EPYC™ Embedded 9004 Series Processors (formerly codenamed "Genoa") | — | EmbGenoaPI-SP5 1.0.0.D |
| AMD | AMD EPYC™ Embedded 9004 Series Processors (formerly codenamed "Bergamo") | — | EmbGenoaPI-SP5 1.0.0.D |
| AMD | AMD EPYC™ Embedded 8004 Series Processors | — | EmbGenoaPI-SP5 1.0.0.D |
| AMD | AMD EPYC™ Embedded 9005 Series Processors | — | EmbeddedTurinPI_SP5_1004 |
Advisories 1
- WID-SEC-2026-1859 AMD ARM und EPYC Prozessoren: Mehrere Schwachstellen BSI CERT-Bund (WID) · Sep 17, 2026