CVE-2021-26371
5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Summary
A compromised or malicious ABL or UApp could send a SHA256 system call to the bootloader, which may result in exposure of ASP memory to userspace, potentially leading to information disclosure.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| AMD | Ryzen™ 2000 series Desktop Processors “Raven Ridge” AM4 | various | affected |
| AMD | Ryzen™ 3000 Series Desktop Processors “Matisse” AM4 | various | affected |
| AMD | AMD Ryzen™ 5000 Series Desktop Processors “Vermeer” 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 | 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 | 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: no
- 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
Feedback
Was this page helpful?
Glad to hear it! Please tell us how we can improve.
Sorry to hear that. Please tell us how we can improve.