Description
A missing lock verification in AMD Secure Processor (ASP) firmware may permit a locally authenticated attacker with administrative privileges to alter MMIO routing on some Zen 5-based products, potentially compromising guest system integrity.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| AMD | AMD EPYC™ 9004 Series Processors | — | GenoaPI_1.0.0.H |
| AMD | AMD EPYC™ 7003 Series Processors | — | MilanPI-SP3_1.0.0.J |
| 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 7003 Series Processors | — | EmbMilanPI-SP3 1.0.0.D |
| AMD | AMD EPYC™ Embedded 9004 Series Processors | — | EmbGenoaPI-SP5 1.0.0.D |
| AMD | AMD EPYC™ Embedded 9004 Series Processors | — | 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-2026-1111 AMD Prozessoren: Mehrere Schwachstellen BSI CERT-Bund (WID) · Jul 27, 2026