Amd 1St Gen Amd Epyc vulnerabilities

CVE-2023-20520 [CRITICAL] CWE-787 CVE-2023-20520: Improper access control settings in ASP Bootloader may allow an attacker to corrupt the return addre Improper access control settings in ASP Bootloader may allow an attacker to corrupt the return address causing a stack-based buffer overrun potentially leading to arbitrary code execution.

CVE-2021-26408 [HIGH] CVE-2021-26408: Insufficient validation of elliptic curve points in SEV-legacy firmware may compromise SEV-legacy gu Insufficient validation of elliptic curve points in SEV-legacy firmware may compromise SEV-legacy guest migration potentially resulting in loss of guest's integrity or confidentiality.

CVE-2021-26331 [HIGH] CWE-20 CVE-2021-26331: AMD System Management Unit (SMU) contains a potential issue where a malicious user may be able to ma AMD System Management Unit (SMU) contains a potential issue where a malicious user may be able to manipulate mailbox entries leading to arbitrary code execution.

CVE-2021-26322 [HIGH] CWE-320 CVE-2021-26322: Persistent platform private key may not be protected with a random IV leading to a potential “two ti Persistent platform private key may not be protected with a random IV leading to a potential “two time pad attack”.

CVE-2021-26321 [MEDIUM] CWE-20 CVE-2021-26321: Insufficient ID command validation in the SEV Firmware may allow a local authenticated attacker to p Insufficient ID command validation in the SEV Firmware may allow a local authenticated attacker to perform a denial of service of the PSP.

CVE-2021-26320 [MEDIUM] CWE-295 CVE-2021-26320: Insufficient validation of the AMD SEV Signing Key (ASK) in the SEND_START command in the SEV Firmwa Insufficient validation of the AMD SEV Signing Key (ASK) in the SEND_START command in the SEV Firmware may allow a local authenticated attacker to perform a denial of service of the PSP

CVE-2020-12954 [MEDIUM] CWE-693 CVE-2020-12954: A side effect of an integrated chipset option may be able to be used by an attacker to bypass SPI RO A side effect of an integrated chipset option may be able to be used by an attacker to bypass SPI ROM protections, allowing unauthorized SPI ROM modification.

CVE-2021-26330 [MEDIUM] CWE-122 CVE-2021-26330: AMD System Management Unit (SMU) may experience a heap-based overflow which may result in a loss of AMD System Management Unit (SMU) may experience a heap-based overflow which may result in a loss of resources.

CVE-2021-26329 [MEDIUM] CWE-130 CVE-2021-26329: AMD System Management Unit (SMU) may experience an integer overflow when an invalid length is provid 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.