Vulnerability in Amd 1st Gen Epyc™ Processors
CVE-2021-26371
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.
EPSS: 0.001 (31.9th percentile) — read the EPSS interpretation.
Affected products
- Amd 1st Gen Epyc™ Processors — versions various
- Amd 2nd Gen Epyc™ Processors — versions various
- Amd 3rd Gen Epyc™ Processors — versions various
- Amd 3rd Gen Ryzen™ Threadripper™ Processors “Castle Peak” Hedt — versions various
- Amd Ryzen™ 5000 Series Desktop Processors “Vermeer” Am4 — versions various
- Amd Athlon™ 3000 Series Mobile Processors With Radeon™ Graphics “Dali”/”dali” Ulp — versions various
- Amd Athlon™ 3000 Series Mobile Processors With Radeon™ Graphics “Pollock” — versions various
- Amd Ryzen™ 2000 Series Desktop Processors “Raven Ridge” Am4 — versions various
- Amd Ryzen™ 2000 Series Mobile Processors “Raven Ridge” Fp5 — versions various
- Amd Ryzen™ 3000 Series Desktop Processors “Matisse” Am4 — versions various
References
- www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4001 (vendor-advisory)
- www.amd.com/en/corporate/product-security/bulletin/AMD-SB-3001 (vendor-advisory)