7.5
High
CVE-2021-46755 Failure to unmap certain SysHub mappings in error paths of the ASP (AMD Secure Processor) bootloader may allow an…
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 and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Ryzen™ 3000 Series Desktop Processors “Matisse” AM4 | Versions not published | |
| AMD Ryzen™ 5000 Series Desktop Processors “Vermeer” AM4 | Versions not published | |
| Ryzen™ 5000 Series Desktop processor with Radeon™ Graphics “Cezanne” AM4 | Versions not published | |
| 3rd Gen AMD Ryzen™ Threadripper™ Processors “Castle Peak” HEDT | Versions not published | |
| Ryzen™ Threadripper™ PRO Processors “Castle Peak” WS | Versions not published | |
| Ryzen™ Threadripper™ PRO Processors “Chagall” WS | Versions not published | |
| Ryzen™ 3000 Series Mobile Processors with Radeon™ Graphics “Renoir” | Versions not published | |
| Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics “Lucienne” | Versions not published | |
| Ryzen™ 5000 Series Mobile processors with Radeon™ Graphics “Cezanne” | Versions not published |
Other CVEs of Ryzen™ 3000 Series Desktop Processors “Matisse” AM4
The 11 CVEs of Ryzen™ 3000 Series Desktop Processors “Matisse” AM4 →
CVE-2023-20555
Insufficient input validation in CpmDisplayFeatureSmm may allow an attacker to corrupt SMM memory by overwriting an…
Not rated
CVE-2023-20593
An issue in “Zen 2” CPUs, under specific microarchitectural circumstances, may allow an attacker to potentially access…
Not rated
CVE-2021-46794
Insufficient bounds checking in ASP (AMD Secure Processor) may allow for an out of bounds read in SMI (System Management…
7.5
High
CVE-2021-46773
Insufficient input validation in ABL may enable a privileged attacker to corrupt ASP memory, potentially resulting in…
8.8
High