CVE-2021-46755
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
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 Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| AMD | Ryzen™ 3000 Series Desktop Processors “Matisse” AM4 | various | affected |
| AMD | AMD Ryzen™ 5000 Series Desktop Processors “Vermeer” AM4 | various | affected |
| AMD | Ryzen™ 5000 Series Desktop processor with Radeon™ Graphics “Cezanne” AM4 | various | affected |
| AMD | 3rd Gen AMD Ryzen™ Threadripper™ Processors “Castle Peak” HEDT | various | affected |
| AMD | Ryzen™ Threadripper™ PRO Processors “Castle Peak” WS | various | affected |
| AMD | Ryzen™ Threadripper™ PRO Processors “Chagall” WS | various | affected |
| AMD | Ryzen™ 3000 Series Mobile Processors with Radeon™ Graphics “Renoir” | various | affected |
| AMD | Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics “Lucienne” | various | affected |
| AMD | Ryzen™ 5000 Series Mobile processors with Radeon™ Graphics “Cezanne” | various | affected |
Weaknesses
ADP Enrichment
CVE Program Container
Additional References
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: yes
- Technical Impact: partial
References
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