Vulnerability in Amd 1st Gen Epyc™ Processors
CVE-2021-46774
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.
EPSS: 0.000 (10.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.7 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:L/I:H/A:L.
Affected products
- Amd 1st Gen Epyc™ Processors — versions various
- Amd 2nd Gen Epyc™ Processors — versions various
- Amd 3rd Gen Epyc™ Processors — versions various
- Amd 4th Gen Epyc™ Processors — versions various
- Amd Epyc™ Embedded 3000 — versions various
- Amd Epyc™ Embedded 7002 — versions various
- Amd Epyc™ Embedded 7003 — versions various
- Amd Ryzen™ 5000 Series Desktop Processors “Vermeer” — versions various
- Amd Ryzen™ Embedded 5000 — versions various
- Amd Ryzen™ Threadripper™ 3000 Series Processors “Castle Peak” Hedt — versions various
References
- www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4002 (vendor-advisory)
- www.amd.com/en/corporate/product-security/bulletin/AMD-SB-3002 (vendor-advisory)
- www.amd.com/en/corporate/product-security/bulletin/AMD-SB-5001 (vendor-advisory)
Frequently asked questions
- What is CVE-2021-46774?
- CVE-2021-46774 is a medium-severity vulnerability in Amd 1st Gen Epyc™ Processors. CVSS score: 6.7/10. Published 2023-11-14.
- How severe is CVE-2021-46774?
- Medium severity. CVSS v3 base score is 6.7 out of 10.