Amd: >> Epyc 7473x Firmware Security Vulnerabilities
Improper validation of the BIOS directory may allow for searches to read beyond the directory table copy in RAM, exposing out of bounds memory contents, resulting in a potential denial of service.
CVSS Score
5.5
EPSS Score
0.0
Published
2022-05-11
Insufficient validation of addresses in AMD Secure Processor (ASP) firmware system call may potentially lead to arbitrary code execution by a compromised user application.
CVSS Score
7.8
EPSS Score
0.001
Published
2022-05-10
Failure to verify SEV-ES TMR is not in MMIO space, SEV-ES FW could result in a potential loss of integrity or availability.
CVSS Score
7.1
EPSS Score
0.0
Published
2022-05-10
Failure to validate inputs in SMM may allow an attacker to create a mishandled error leaving the DRTM UApp in a partially initialized state potentially resulting in loss of memory integrity.
CVSS Score
7.8
EPSS Score
0.001
Published
2022-05-10
Improper validation of destination address in SVC_LOAD_FW_IMAGE_BY_INSTANCE and SVC_LOAD_BINARY_BY_ATTRIB in a malicious UApp or ABL may allow an attacker to overwrite arbitrary bootloader memory with SPI ROM contents resulting in a loss of integrity and availability.
CVSS Score
7.1
EPSS Score
0.001
Published
2022-05-10
A bug with the SEV-ES TMR may lead to a potential loss of memory integrity for SNP-active VMs.
CVSS Score
7.8
EPSS Score
0.0
Published
2022-05-10
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