AMD 2nd Gen AMD EPYC™

• CVE-2023-20524 High 7.5 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. 0.5%
• CVE-2023-20520 Critical 9.8 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. 0.8%
• CVE-2021-46775 Medium 6.8 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. 0.3%
• CVE-2021-46769 High 8.8 Insufficient syscall input validation in the ASP Bootloader may allow a privileged attacker to execute arbitrary DMA copies, which can lead to code execution. 0.8%
• CVE-2021-46764 High 7.5 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. 0.6%
• CVE-2021-46763 High 7.5 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. 0.5%
• CVE-2021-46762 Low 3.9 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. 0.3%
• CVE-2021-26379 Critical 9.8 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. 0.7%
• CVE-2021-26370 Unrated 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 0.2%
• CVE-2021-26408 Unrated 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. 0.3%
• CVE-2021-26330 Unrated AMD System Management Unit (SMU) may experience a heap-based overflow which may result in a loss of resources. 0.2%
• CVE-2020-12961 Unrated 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 RO 0.2%
• CVE-2020-12954 Unrated 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. 0.2%
• CVE-2021-26331 Unrated 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. 0.3%
• CVE-2021-26321 Unrated Insufficient ID command validation in the SEV Firmware may allow a local authenticated attacker to perform a denial of service of the PSP. 0.3%
• CVE-2021-26320 Unrated 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 0.2%
• CVE-2021-26322 Unrated Persistent platform private key may not be protected with a random IV leading to a potential “two time pad attack”. 1.0%
• CVE-2021-26329 Unrated 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. 0.2%
• CVE-2021-26338 Unrated 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. 0.9%