CVE-2021-26406
No fix known EPSS <1%CVSS 7.5
Insufficient validation in parsing Owner's Certificate Authority (OCA) certificates in SEV (AMD Secure Encrypted Virtualization) and SEV-ES user application can lead to a host crash potentially resulting in denial of service.
Products: AMD Ryzen™ 2000 series Desktop Processors “Raven Ridge” AM4, AMD Ryzen™ 2000 Series Desktop Processors “Pinnacle Ridge”, AMD Ryzen™ 3000 Series Desktop Processors “Matisse” AM4, AMD Ryzen™ 5000 Series Desktop Processors “Vermeer” AM4, 2nd Gen AMD Ryzen™ Threadripper™ Processors “Colfax”, 3rd Gen AMD Ryzen™ Threadripper™ Processors “Castle Peak” HEDT, AMD Ryzen™ Threadripper™ PRO Processors “Castle Peak” WS, AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics “Dali”/”Dali” ULP, AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics “Pollock”, AMD Ryzen™ 2000 Series Mobile Processors “Raven Ridge” FP5, Ryzen™ 3000 Series Mobile processor, 2nd Gen AMD Ryzen™ Mobile Processors with Radeon™ Graphics “Picasso”, 1st Gen AMD EPYC™ Processors, 2nd Gen AMD EPYC™ Processors