Amd: >> Epyc 9554 Firmware Security Vulnerabilities
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.
CVSS Score
1.9
EPSS Score
0.0
Published
2023-11-14
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.
CVSS Score
2.5
EPSS Score
0.0
Published
2023-11-14
Insufficient DRAM address validation in System
Management Unit (SMU) may allow an attacker to read/write from/to an invalid
DRAM address, potentially resulting in denial-of-service.
CVSS Score
6.7
EPSS Score
0.0
Published
2023-11-14
SMM configuration may not be immutable, as intended, when SNP is enabled resulting in a potential limited loss of guest memory integrity.
CVSS Score
1.9
EPSS Score
0.001
Published
2023-11-14
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.
CVSS Score
4.7
EPSS Score
0.006
Published
2023-08-08
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.
CVSS Score
6.5
EPSS Score
0.003
Published
2023-07-11
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