AMD 3rd 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-2022-23818 High 7.5 Insufficient input validation on the model specific register: VM_HSAVE_PA may potentially lead to loss of SEV-SNP guest memory integrity. 0.5%
• 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-2021-26397 High 7.1 Insufficient address validation, may allow an attacker with a compromised ABL and UApp to corrupt sensitive memory locations potentially resulting in a loss of integrity or availability. 0.2%
• 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-2021-46771 Unrated Insufficient validation of addresses in AMD Secure Processor (ASP) firmware system call may potentially lead to arbitrary code execution by a compromised user application. 0.3%
• CVE-2021-26324 Unrated A bug with the SEV-ES TMR may lead to a potential loss of memory integrity for SNP-active VMs. 0.3%
• CVE-2021-26332 Unrated Failure to verify SEV-ES TMR is not in MMIO space, SEV-ES FW could result in a potential loss of integrity or availability. 0.2%
• 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-2021-26325 Unrated Insufficient input validation in the SNP_GUEST_REQUEST command may lead to a potential data abort error and a denial of service. 0.2%
• 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-2021-26327 Unrated Insufficient validation of guest context in the SNP Firmware could lead to a potential loss of guest confidentiality. 0.2%
• CVE-2021-26323 Unrated Failure to validate SEV Commands while SNP is active may result in a potential impact to memory integrity. 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-2021-26315 Unrated When the AMD Platform Security Processor (PSP) boot rom loads, authenticates, and subsequently decrypts an encrypted FW, due to insufficient verification of the integrity of decrypted image, arbitrary 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%
• CVE-2021-26326 Unrated Failure to validate VM_HSAVE_PA during SNP_INIT may result in a loss of memory integrity. 0.3%