Amd 2Nd Gen Amd Epyc vulnerabilities

CVE-2021-26379 [CRITICAL] CVE-2021-26379: Insufficient input validation of mailbox data in the SMU may allow an attacker to coerce the SMU to Insufficient input validation of mailbox data in the SMU may allow an attacker to coerce the SMU to corrupt SMRAM, potentially leading to a loss of integrity and privilege escalation.

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-2021-46762 [CRITICAL] CWE-20 CVE-2021-46762: Insufficient input validation in the SMU may allow an attacker to corrupt SMU SRAM potentially leadi Insufficient input validation in the SMU may allow an attacker to corrupt SMU SRAM potentially leading to a loss of integrity or denial of service.

CVE-2021-46763 [HIGH] CWE-787 CVE-2021-46763: Insufficient input validation in the SMU may enable a privileged attacker to write beyond the intend Insufficient input validation in the SMU may enable a privileged attacker to write beyond the intended bounds of a shared memory buffer potentially leading to a loss of integrity.

CVE-2021-46769 [HIGH] CWE-20 CVE-2021-46769: Insufficient syscall input validation in the ASP Bootloader may allow a privileged attacker to execu Insufficient syscall input validation in the ASP Bootloader may allow a privileged attacker to execute arbitrary DMA copies, which can lead to code execution.

CVE-2023-20524 [HIGH] CWE-787 CVE-2023-20524: An attacker with a compromised ASP could possibly send malformed commands to an ASP on another CPU, An attacker with a compromised ASP could possibly send malformed commands to an ASP on another CPU, resulting in an out of bounds write, potentially leading to a loss a loss of integrity.

CVE-2021-46764 [HIGH] CWE-787 CVE-2021-46764: Improper validation of DRAM addresses in SMU may allow an attacker to overwrite sensitive memory loc Improper validation of DRAM addresses in SMU may allow an attacker to overwrite sensitive memory locations within the ASP potentially resulting in a denial of service.

CVE-2021-46775 [MEDIUM] CWE-20 CVE-2021-46775: Improper input validation in ABL may enable an attacker with physical access, to perform arbitrary m Improper input validation in ABL may enable an attacker with physical access, to perform arbitrary memory overwrites, potentially leading to a loss of integrity and 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-2021-26370 [HIGH] CWE-20 CVE-2021-26370: Improper validation of destination address in SVC_LOAD_FW_IMAGE_BY_INSTANCE and SVC_LOAD_BINARY_BY_A Improper validation of destination address in SVC_LOAD_FW_IMAGE_BY_INSTANCE and SVC_LOAD_BINARY_BY_ATTRIB in a malicious UApp or ABL may allow an attacker to overwrite arbitrary bootloader memory with SPI ROM contents resulting in a loss of integrity and availability.

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-2020-12961 [HIGH] CWE-20 CVE-2020-12961: A potential vulnerability exists in AMD Platform Security Processor (PSP) that may allow an attacker A potential vulnerability exists in AMD Platform Security Processor (PSP) that may allow an attacker to zero any privileged register on the System Management Network which may lead to bypassing SPI ROM protections.

CVE-2021-26338 [HIGH] CWE-284 CVE-2021-26338: Improper access controls in System Management Unit (SMU) may allow for an attacker to override perfo 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.

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.