Epyc 9534 Firmware Security Vulnerabilities - 2023
Failure to validate the value in APCB may allow a privileged attacker to tamper with the APCB token to force an out-of-bounds memory read potentially resulting in a denial of service.
4.9CVSS
6.1AI Score
0.0004EPSS
Improper clearing of sensitive data in the ASP Bootloader may expose secret keys to a privileged attacker accessing ASP SRAM, potentially leading to a loss of confidentiality.
5.5CVSS
6.1AI Score
0.0004EPSS
Insufficient DRAM address validation in SystemManagement Unit (SMU) may allow an attacker to read/write from/to an invalidDRAM address, potentially resulting in denial-of-service.
7.5CVSS
7.8AI Score
0.001EPSS
SMM configuration may not be immutable, as intended, when SNP is enabled resulting in a potential limited loss of guest memory integrity.
5.3CVSS
6.3AI Score
0.0005EPSS
Improper address validation in ASP with SNP enabled may potentially allow an attacker to compromise guest memory integrity.
7.5CVSS
7.1AI Score
0.0005EPSS
A side channel vulnerability on some of the AMD CPUs may allow an attacker to influence the return address prediction. This may result in speculative execution at an attacker-controlled address, potentially leading to information disclosure.
4.7CVSS
6.6AI Score
0.001EPSS
A potential power side-channel vulnerability in some AMD processors may allow an authenticated attacker to use the power reporting functionality to monitor a program’s execution inside an AMD SEV VM potentially resulting in a leak of sensitive information.
6.5CVSS
6.3AI Score
0.001EPSS