Amd 1St Gen Epyc vulnerabilities

CVE-2021-26316 [HIGH] CWE-20 CVE-2021-26316: Failure to validate the communication buffer and communication service in the BIOS may allow an atta Failure to validate the communication buffer and communication service in the BIOS may allow an attacker to tamper with the buffer resulting in potential SMM (System Management Mode) arbitrary code execution.

CVE-2021-26398 [HIGH] CWE-787 CVE-2021-26398: Insufficient input validation in SYS_KEY_DERIVE system call in a compromised user application or ABL Insufficient input validation in SYS_KEY_DERIVE system call in a compromised user application or ABL may allow an attacker to corrupt ASP (AMD Secure Processor) OS memory which may lead to potential arbitrary code execution.

CVE-2021-46779 [HIGH] CWE-787 CVE-2021-46779: Insufficient input validation in SVC_ECC_PRIMITIVE system call in a compromised user application or Insufficient input validation in SVC_ECC_PRIMITIVE system call in a compromised user application or ABL may allow an attacker to corrupt ASP (AMD Secure Processor) OS memory which may lead to potential loss of integrity and availability.

CVE-2021-26403 [MEDIUM] CWE-345 CVE-2021-26403: Insufficient checks in SEV may lead to a malicious hypervisor disclosing the launch secret potential Insufficient checks in SEV may lead to a malicious hypervisor disclosing the launch secret potentially resulting in compromise of VM confidentiality.

CVE-2023-20527 [MEDIUM] CWE-20 CVE-2023-20527: Improper syscall input validation in the ASP Bootloader may allow a privileged attacker to read memo Improper syscall input validation in the ASP Bootloader may allow a privileged attacker to read memory out-of-bounds, potentially leading to a denial-of-service.