AMD 2nd Gen AMD Ryzen™ Threadripper™ Processors “Colfax”

• CVE-2021-46756 Critical 9.1 Insufficient validation of inputs in SVC_MAP_USER_STACK in the ASP (AMD Secure Processor) bootloader may allow an attacker with a malicious Uapp or ABL to send malformed or invalid syscall to the boot 0.6%
• CVE-2021-26406 High 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 result 0.4%
• CVE-2021-26354 Medium 5.5 Insufficient bounds checking in ASP may allow an attacker to issue a system call from a compromised ABL which may cause arbitrary memory values to be initialized to zero, potentially leading to a loss 0.2%