Description
Improper restriction of operations within the bounds of a memory buffer in PCIe® Link could allow an attacker with access to a guest virtual machine to potentially perform a denial of service attack against the host resulting in loss of availability.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| AMD | AMD EPYC™ 7002 Series Processors | — | No Fix Planned |
| AMD | AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics | — | Errata #1165,1166,1526 |
| AMD | AMD Ryzen™ 7000 Series Desktop Processors | — | Errata #1526 |
| AMD | AMD Ryzen™ 5000 Series Desktop Processors | — | Errata #1165,1166,1526 |
| AMD | AMD Ryzen™ 3000 Series Desktop Processors | — | Errata #1165,1166,1526 |
| AMD | AMD Ryzen™ Z1 Series Processors | — | Errata #1526 |
| AMD | AMD Ryzen™ 7040 Series Mobile Processors with Radeon™ Graphics | — | Errata #1526 |
| AMD | AMD Ryzen™ 8040 Series Mobile Processors with Radeon™ Graphics | — | Errata #1526 |
| AMD | AMD Ryzen™ 8000 Series Desktop Processors | — | Errata #1526 |
| AMD | AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics | — | Errata #1165,1166,1526 |
| AMD | AMD Ryzen™ 6000 Series Processors with Radeon™ Graphics | — | Errata #1526 |
| AMD | AMD Ryzen™ 7020 Series Processors with Radeon™ Graphics | — | Errata #1165,1166,1526 |
| AMD | AMD Ryzen™ 7045 Series Mobile Processors with Radeon™ Graphics | — | Errata #1526 |
| AMD | AMD Ryzen™ 5000 Series Desktop Processors with Radeon™ Graphics | — | Errata #1165,1166,1526 |
| AMD | AMD Ryzen™ 4000 Series Desktop Processors | — | Errata #1165,1166,1526 |
| AMD | AMD Ryzen™ Z2 Series Processors | — | Errata #1526 |
| AMD | AMD EPYC™ Embedded 7002 Series Processors | — | No fix planned |
| AMD | AMD Ryzen™ Embedded 5000 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 |
| AMD | AMD Ryzen™ Embedded 8000 Series Processors | — | No fix planned |
| AMD | AMD Ryzen™ Embedded 7000 Series Processors | — | No fix planned |
Advisories 1
- WID-SEC-2026-0381 AMD EPYC, Athlon und Ryzen Prozessoren: Mehrere Schwachstellen BSI CERT-Bund (WID) · Jun 28, 2026