Description
Failure to unmap certain SysHub mappings in
error paths of the ASP (AMD Secure Processor) bootloader may allow an attacker
with a malicious bootloader to exhaust the SysHub resources resulting in a
potential denial of service.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| AMD | Ryzen™ 3000 Series Desktop Processors “Matisse” AM4 | various | — |
| AMD | AMD Ryzen™ 5000 Series Desktop Processors “Vermeer” AM4 | various | — |
| AMD | Ryzen™ 5000 Series Desktop processor with Radeon™ Graphics “Cezanne” AM4 | various | — |
| AMD | 3rd Gen AMD Ryzen™ Threadripper™ Processors “Castle Peak” HEDT | various | — |
| AMD | Ryzen™ Threadripper™ PRO Processors “Castle Peak” WS | various | — |
| AMD | Ryzen™ Threadripper™ PRO Processors “Chagall” WS | various | — |
| AMD | Ryzen™ 3000 Series Mobile Processors with Radeon™ Graphics “Renoir” | various | — |
| AMD | Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics “Lucienne” | various | — |
| AMD | Ryzen™ 5000 Series Mobile processors with Radeon™ Graphics “Cezanne” | various | — |
Advisories 1
- WID-SEC-2023-1190 AMD Prozessoren: Mehrere Schwachstellen BSI CERT-Bund (WID) · Feb 13, 2024