CVE-2021-46756
9.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
Summary
Insufficient validation of inputs in SVC_MAP_USER_STACK in the ASP (AMD Secure Processor) bootloader may allow an attacker with a malicious Uapp or ABL to send malformed or invalid syscall to the bootloader resulting in a potential denial of service and loss of integrity.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| AMD | Ryzen™ 2000 series Desktop Processors “Raven Ridge” AM4 | various | affected |
| AMD | Ryzen™ 2000 Series Desktop Processors “Pinnacle Ridge” | various | affected |
| 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 | 2nd Gen AMD Ryzen™ Threadripper™ Processors “Colfax” | 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 | Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics “Dali”/”Dali” ULP | various | affected |
| AMD | Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics “Pollock” | various | affected |
| AMD | Ryzen™ 2000 Series Mobile Processors “Raven Ridge” FP5 | various | affected |
| AMD | Ryzen™ 3000 Series Mobile processor, 2nd Gen AMD Ryzen™ Mobile Processors with Radeon™ Graphics “Picasso” | 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 |
| AMD | 1st Gen AMD EPYC™ Processors | various | affected |
| AMD | 2nd Gen AMD EPYC™ Processors | various | affected |
| AMD | 3rd Gen AMD EPYC™ Processors | various | affected |
Weaknesses
ADP Enrichment
CVE Program Container
Additional References
- https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4001
- https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-3001
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: yes
- Technical Impact: partial
References
- https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4001
- https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-3001
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