Amd ≫ Epyc 7643 Firmware

Insufficient validation of BIOS image length by ASP Firmware could lead to arbitrary code execution.

Insufficient input validation in ASP firmware for discrete TPM commands could allow a potential loss of integrity and denial of service.

Race condition in ASP firmware could allow less privileged x86 code to perform ASP SMM (System Management Mode) operations.

A side effect of an integrated chipset option may be able to be used by an attacker to bypass SPI ROM protections, allowing unauthorized SPI ROM modification.

A potential vulnerability exists in AMD Platform Security Processor (PSP) that may allow an attacker to zero any privileged register on the System Management Network which may lead to bypassing SPI ROM protections.

When the AMD Platform Security Processor (PSP) boot rom loads, authenticates, and subsequently decrypts an encrypted FW, due to insufficient verification of the integrity of decrypted image, arbitrary code may be executed in the PSP when encrypted fi...

Insufficient ID command validation in the SEV Firmware may allow a local authenticated attacker to perform a denial of service of the PSP.

Failure to validate SEV Commands while SNP is active may result in a potential impact to memory integrity.

Insufficient input validation in the SNP_GUEST_REQUEST command may lead to a potential data abort error and a denial of service.

Insufficient validation of guest context in the SNP Firmware could lead to a potential loss of guest confidentiality.