Vulnerability in Amd 3rd Gen Ryzen™ Threadripper™ Processors “Castle Peak” Hedt
CVE-2021-46755
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.
EPSS: 0.005 (68.0th percentile) — read the EPSS interpretation.
Affected products
- Amd 3rd Gen Ryzen™ Threadripper™ Processors “Castle Peak” Hedt — versions various
- Amd Ryzen™ 5000 Series Desktop Processors “Vermeer” Am4 — versions various
- Amd Ryzen™ 3000 Series Desktop Processors “Matisse” Am4 — versions various
- Amd Ryzen™ 3000 Series Mobile Processors With Radeon™ Graphics “Renoir” — versions various
- Amd Ryzen™ 5000 Series Desktop Processor With Radeon™ Graphics “Cezanne” Am4 — versions various
- Amd Ryzen™ 5000 Series Mobile Processors With Radeon™ Graphics “Cezanne” — versions various
- Amd Ryzen™ 5000 Series Mobile Processors With Radeon™ Graphics “Lucienne” — versions various
- Amd Ryzen™ Threadripper™ Pro Processors “Castle Peak” Ws — versions various
- Amd Ryzen™ Threadripper™ Pro Processors “Chagall” Ws — versions various
References
- www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4001 (vendor-advisory)