Description
Improper handling of direct memory writes in the input-output memory management unit could allow a malicious guest virtual machine (VM) to flood a host with writes, potentially causing a fatal machine check error resulting in denial of service.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| AMD | AMD EPYC™ 7001 Series Processors | — | NaplesPI 1.0.0.R |
| AMD | AMD EPYC™ 7002 Series Processors | — | RomePI 1.0.0.N |
| AMD | AMD EPYC™ 7003 Series Processors | — | MilanPI 1.0.0.H |
| AMD | AMD EPYC™ 8004 Series Processors | — | GenoaPI 1.0.0.G |
| AMD | AMD EPYC™ 9004 Series Processors | — | GenoaPI 1.0.0.G |
| AMD | AMD EPYC™ 9005 Series Processors | — | TurinPI 1.0.0.7 |
| AMD | AMD EPYC™ Embedded 3000 Series Processors | — | SnowyOwl_SP4_SP4r2.1.1.0.H |
| AMD | AMD EPYC™ Embedded 7002 Series Processors | — | EmbRomePI-SP3 1.0.0.F |
| AMD | AMD EPYC™ Embedded 7003 Series Processors | — | EmbMilanPI-SP3 v9 1.0.0.C |
| AMD | AMD EPYC™ Embedded 8004 Series Processors | EmbGenoaPI-SP5 1.0.0.B | — |
| AMD | AMD EPYC™ Embedded 9004 Series Processor | EmbGenoaPI-SP5 1.0.0.B | — |
| AMD | AMD EPYC™ Embedded 9005 Series Processors | — | EmbTurinPI-SP5 1.0.0.1 |
| AMD | AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics | No Fix Planned | — |
| AMD | AMD Ryzen™ 3000 Series Desktop Processors | No Fix Planned | — |
| AMD | AMD Ryzen™ 3000 Series Mobile Processors with Radeon™ Graphics | No Fix Planned | — |
| AMD | AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics | No Fix Planned | — |
| AMD | AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics | No Fix Planned | — |
| AMD | AMD Ryzen™ 6000 Series Processors with Radeon™ Graphics | No Fix Planned | — |
| AMD | AMD Ryzen™ 7000 Series Desktop Processors | No Fix Planned | — |
| AMD | AMD Ryzen™ 7020 Series Processors with Radeon™ Graphics | No Fix Planned | — |
| AMD | AMD Ryzen™ 7040 Series Mobile Processors with Radeon™ Graphics | No Fix Planned | — |
| AMD | AMD Ryzen™ 7045 Series Mobile Processors with Radeon™ Graphics | No Fix Planned | — |
| AMD | AMD Ryzen™ 8000 Series Desktop Processors | No Fix Planned | — |
| AMD | AMD Ryzen™ Threadripper™ PRO 3000 WX-Series Processors | No Fix Planned | — |
| AMD | AMD Ryzen™ Threadripper™ PRO 5000 WX-Series Processors | No Fix Planned | — |
| AMD | AMD Ryzen™ Embedded 5000 Series Processors | No Fix Planned | — |
| AMD | AMD Ryzen™ Embedded 7000 Series Processors | No Fix Planned | — |
| AMD | AMD Ryzen™ Embedded 8000 Series Processors | No Fix Planned | — |
| AMD | AMD Ryzen™ Embedded R1000 Series Processors | No Fix Planned | — |
| AMD | AMD Ryzen™ Embedded R2000 Series Processors | No Fix Planned | — |
| AMD | AMD Ryzen™ Embedded V1000 Series Processors | No Fix Planned | — |
| AMD | AMD Ryzen™ Embedded V2000 Series Processors | No Fix Planned | — |
| AMD | AMD Ryzen™ Embedded V3000 Series Processors | No Fix Planned | — |
Advisories 1
- WID-SEC-2026-0498 AMD EPYC Series Prozessor: Schwachstelle ermöglicht Denial of Service BSI CERT-Bund (WID) · Feb 26, 2026