Amd: >> Epyc 7543 Firmware Security Vulnerabilities
Insufficient DRAM address validation in System Management Unit (SMU) may result in a DMA read from invalid DRAM address to SRAM resulting in SMU not servicing further requests.
CVSS Score
5.5
EPSS Score
0.001
Published
2021-11-16
Insufficient validation of BIOS image length by ASP Firmware could lead to arbitrary code execution.
CVSS Score
7.8
EPSS Score
0.001
Published
2021-11-16
Insufficient input validation in ASP firmware for discrete TPM commands could allow a potential loss of integrity and denial of service.
CVSS Score
7.1
EPSS Score
0.001
Published
2021-11-16
Race condition in ASP firmware could allow less privileged x86 code to perform ASP SMM (System Management Mode) operations.
CVSS Score
7.0
EPSS Score
0.001
Published
2021-11-16
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.
CVSS Score
5.5
EPSS Score
0.001
Published
2021-11-16
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.
CVSS Score
7.8
EPSS Score
0.001
Published
2021-11-16
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 firmware images are used.
CVSS Score
7.8
EPSS Score
0.0
Published
2021-11-16
Insufficient validation of the AMD SEV Signing Key (ASK) in the SEND_START command in the SEV Firmware may allow a local authenticated attacker to perform a denial of service of the PSP
CVSS Score
5.5
EPSS Score
0.0
Published
2021-11-16
Insufficient ID command validation in the SEV Firmware may allow a local authenticated attacker to perform a denial of service of the PSP.
CVSS Score
5.5
EPSS Score
0.001
Published
2021-11-16
Failure to validate SEV Commands while SNP is active may result in a potential impact to memory integrity.
CVSS Score
7.8
EPSS Score
0.001
Published
2021-11-16