Amd: Security Vulnerabilities
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
0.006
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
0.002
Published
2023-01-11
Insufficient validation of address mapping to IO in ASP (AMD Secure Processor) may result in a loss of memory integrity in the SNP guest.
CVSS Score
4.4
EPSS Score
0.001
Published
2023-01-11
Insufficient input validation in SYS_KEY_DERIVE system call in a compromised user application or ABL may allow an attacker to corrupt ASP (AMD Secure Processor) OS memory which may lead to potential arbitrary code execution.
CVSS Score
7.8
EPSS Score
0.002
Published
2023-01-11
Insufficient bounds checking in ASP (AMD Secure Processor) firmware while handling BIOS mailbox commands, may allow an attacker to write partially-controlled data out-of-bounds to SMM or SEV-ES regions which may lead to a potential loss of integrity and availability.
CVSS Score
7.1
EPSS Score
0.002
Published
2023-01-11
Insufficient checks in SEV may lead to a malicious hypervisor disclosing the launch secret potentially resulting in compromise of VM confidentiality.
CVSS Score
6.5
EPSS Score
0.001
Published
2023-01-11
Improper input validation and bounds checking in SEV firmware may leak scratch buffer bytes leading to potential information disclosure.
CVSS Score
5.5
EPSS Score
0.002
Published
2023-01-11
A randomly generated Initialization Vector (IV) may lead to a collision of IVs with the same key potentially resulting in information disclosure.
CVSS Score
5.5
EPSS Score
0.002
Published
2023-01-11
Insufficient bounds checking in SEV-ES may allow an attacker to corrupt Reverse Map table (RMP) memory, potentially resulting in a loss of SNP (Secure Nested Paging) memory integrity.
CVSS Score
7.8
EPSS Score
0.002
Published
2023-01-11
Failure to validate the communication buffer and communication service in the BIOS may allow an attacker to tamper with the buffer resulting in potential SMM (System Management Mode) arbitrary code execution.
CVSS Score
7.8
EPSS Score
0.003
Published
2023-01-11