Description
Improper input validation in system management mode (SMM) could allow a privileged attacker to overwrite stack memory leading to arbitrary code execution.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| AMD | AMD EPYC™ 9004 Series Processors | — | GenoaPI 1.0.0.G |
| AMD | AMD EPYC™ 7003 Series Processors | — | MilanPI 1.0.0.H |
| AMD | AMD EPYC™ 7002 Series Processors | — | RomePI 1.0.0.N |
| AMD | AMD EPYC™ 7001 Series Processors | — | NaplesPI 1.0.0.R |
| AMD | AMD EPYC™ 9005 Series Processors | — | TurinPI 1.0.0.6 |
| AMD | AMD Instinct™ MI300A | — | MI300A 1.0.0.B |
| AMD | AMD EPYC™ 9V64H Processor | — | MI300C 1.0.0.2 |
| AMD | AMD Ryzen™ Threadripper™ PRO 3000WX Processors | — | ChagallWSPI-sWRX8 1.0.0.C |
| AMD | AMD Ryzen™ Threadripper™ PRO 5000 WX-Series Processors | — | ChagallWSPI-sWRX8 1.0.0.C |
| AMD | AMD Ryzen™ Threadripper™ 7000 Processors | — | StormPeakPI-SP6_1.0.0.1l |
| AMD | AMD Ryzen™ Threadripper™ PRO 7000 WX-Series Processors | — | StormPeakPI-SP6_1.1.0.0j |
| AMD | AMD Ryzen™ Threadripper™ 9000 Processors | — | ShimadaPeakPI-SP6_1.0.0.1 |
| AMD | AMD Ryzen™ Threadripper™ PRO 9000 WX-Series Processors | — | ShimadaPeakPI-SP6_1.0.0.1 |
| AMD | AMD EPYC™ Embedded 7003 Series Processors | — | EmbMilanPI-SP3 v9 1.0.0.C |
| AMD | AMD EPYC™ Embedded 9004 Series Processors (formerly codenamed "Genoa") | — | EmbGenoaPI-SP5 1.0.0.B |
| AMD | AMD EPYC™ Embedded 7002 Series Processors | — | EmbRomePI-SP3 1.0.0.F |
| AMD | AMD EPYC™ Embedded 3000 Series Processors | — | SnowyOwl_SP4_SP4r2.1.1.0.H |
| AMD | AMD EPYC™ Embedded 9005 Series Processors | — | EmbTurinPI-SP5_1.0.0.1 |
| AMD | AMD EPYC™ Embedded 9004 Series Processors (formerly codenamed "Bergamo") | — | EmbGenoaPI-SP5 1.0.0.B |
| AMD | AMD EPYC™ Embedded 8004 Series Processors | — | EmbGenoaPI-SP5 1.0.0.B |
Advisories 1
- WID-SEC-2026-0381 AMD EPYC, Athlon und Ryzen Prozessoren: Mehrere Schwachstellen BSI CERT-Bund (WID) · Jun 28, 2026