Amd: >> Epyc 7743 Firmware Security Vulnerabilities
Improper initialization of variables in the DXE driver may allow a privileged user to leak sensitive information via local access.
CVSS Score
4.4
EPSS Score
0.0
Published
2023-09-20
Insufficient bound checks in the SMU may allow an attacker to update the SRAM from/to address space to an invalid value potentially resulting in a denial of service.
CVSS Score
7.5
EPSS Score
0.002
Published
2023-01-11
Insufficient input validation in the SMU may allow an attacker to improperly lock resources, potentially resulting in a denial of service.
CVSS Score
5.3
EPSS Score
0.001
Published
2023-01-11
TOCTOU in the ASP may allow a physical attacker to write beyond the buffer bounds, potentially leading to a loss of integrity or denial of service.
CVSS Score
5.7
EPSS Score
0.001
Published
2023-01-11
Insufficient syscall input validation in the ASP Bootloader may allow a privileged attacker to read memory outside the bounds of a mapped register potentially leading to a denial of service.
CVSS Score
6.5
EPSS Score
0.001
Published
2023-01-11
Improper syscall input validation in the ASP Bootloader may allow a privileged attacker to read memory out-of-bounds, potentially leading to a denial-of-service.
CVSS Score
6.5
EPSS Score
0.001
Published
2023-01-11
Insufficient input validation in the SMU may allow a physical attacker to exfiltrate SMU memory contents over the I2C bus potentially leading to a loss of confidentiality.
CVSS Score
2.4
EPSS Score
0.001
Published
2023-01-11
Insufficient bound checks in the SMU may allow an attacker to update the from/to address space to an invalid value potentially resulting in a denial of service.
CVSS Score
7.5
EPSS Score
0.002
Published
2023-01-11
Insufficient input validation of BIOS mailbox messages in SMU may result in out-of-bounds memory reads potentially resulting in a denial of service.
CVSS Score
7.5
EPSS Score
0.001
Published
2023-01-11
Insufficient fencing and checks in System Management Unit (SMU) may result in access to invalid message port registers that could result in a potential denial-of-service.
CVSS Score
5.5
EPSS Score
0.001
Published
2023-01-11
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