CVE-2021-46774
6.7
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:L/I:H/A:L
Summary
Insufficient DRAM address validation in System Management Unit (SMU) may allow an attacker to read/write from/to an invalid DRAM address, potentially resulting in denial-of-service.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| AMD | Ryzen™ 3000 series Desktop Processors “Matisse" | various | affected |
| AMD | AMD Ryzen™ 5000 Series Desktop Processors “Vermeer” | various | affected |
| AMD | AMD Ryzen™ Threadripper™ 3000 Series Processors “Castle Peak” HEDT | various | affected |
| AMD | AMD Ryzen™ Threadripper™ PRO Processors “Castle Peak” WS SP3 | various | affected |
| AMD | AMD Ryzen™ Threadripper™ PRO 3000WX Series Processors “Chagall” WS | 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 |
| AMD | 4th Gen AMD EPYC™ Processors | various | affected |
| AMD | AMD EPYC™ Embedded 3000 | various | affected |
| AMD | AMD EPYC™ Embedded 7002 | various | affected |
| AMD | AMD EPYC™ Embedded 7003 | various | affected |
| AMD | AMD Ryzen™ Embedded 5000 | various | affected |
| AMD | AMD EPYC™ Embedded 7002 | various | affected |
| AMD | AMD EPYC™ Embedded 3000 | various | affected |
| AMD | AMD EPYC™ Embedded 7003 | various | affected |
Weaknesses
ADP Enrichment
CVE Program Container
Additional References
- https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4002
- https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-3002
- https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-5001
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: partial
References
- https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4002
- https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-3002
- https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-5001
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