Amd: >> Epyc 7543 Firmware Security Vulnerabilities
Insufficient input validation in the SNP_GUEST_REQUEST command may lead to a potential data abort error and a denial of service.
CVSS Score
5.5
EPSS Score
0.001
Published
2021-11-16
Insufficient validation of guest context in the SNP Firmware could lead to a potential loss of guest confidentiality.
CVSS Score
5.5
EPSS Score
0.001
Published
2021-11-16
Failure to flush the Translation Lookaside Buffer (TLB) of the I/O memory management unit (IOMMU) may lead an IO device to write to memory it should not be able to access, resulting in a potential loss of integrity.
CVSS Score
5.5
EPSS Score
0.0
Published
2021-11-16
Persistent platform private key may not be protected with a random IV leading to a potential “two time pad attack”.
CVSS Score
7.5
EPSS Score
0.004
Published
2021-11-16
Failure to validate VM_HSAVE_PA during SNP_INIT may result in a loss of memory integrity.
CVSS Score
7.8
EPSS Score
0.0
Published
2021-11-16
AMD System Management Unit (SMU) may experience an integer overflow when an invalid length is provided which may result in a potential loss of resources.
CVSS Score
5.5
EPSS Score
0.001
Published
2021-11-16
Improper access controls in System Management Unit (SMU) may allow for an attacker to override performance control tables located in DRAM resulting in a potential lack of system resources.
CVSS Score
7.5
EPSS Score
0.003
Published
2021-11-16
A potential denial of service (DoS) vulnerability exists in the integrated chipset that may allow a malicious attacker to hang the system when it is rebooted.
CVSS Score
7.5
EPSS Score
0.003
Published
2021-06-11
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