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Vulnerabilities of AMD 2nd Gen AMD EPYC™

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CVE Summary Score Published
CVE-2023-20520 Improper access control settings in ASP Bootloader may allow an attacker to corrupt the return address causing a… 9.8 Critical May 9, 2023
CVE-2023-20524 An attacker with a compromised ASP could possibly send malformed commands to an ASP on another CPU, resulting in an… 7.5 High May 9, 2023
CVE-2021-46775 Improper input validation in ABL may enable an attacker with physical access, to perform arbitrary memory overwrites,… 6.8 Medium May 9, 2023
CVE-2021-46769 Insufficient syscall input validation in the ASP Bootloader may allow a privileged attacker to execute arbitrary DMA… 8.8 High May 9, 2023
CVE-2021-46764 Improper validation of DRAM addresses in SMU may allow an attacker to overwrite sensitive memory locations within the… 7.5 High May 9, 2023
CVE-2021-46763 Insufficient input validation in the SMU may enable a privileged attacker to write beyond the intended bounds of a… 7.5 High May 9, 2023
CVE-2021-46762 Insufficient input validation in the SMU may allow an attacker to corrupt SMU SRAM potentially leading to a loss of… 3.9 Low May 9, 2023
CVE-2021-26379 Insufficient input validation of mailbox data in the SMU may allow an attacker to coerce the SMU to corrupt SMRAM,… 9.8 Critical May 9, 2023
CVE-2021-26370 Improper validation of destination address in SVC_LOAD_FW_IMAGE_BY_INSTANCE and SVC_LOAD_BINARY_BY_ATTRIB in a malicious… Not rated May 10, 2022
CVE-2021-26408 Insufficient validation of elliptic curve points in SEV-legacy firmware may compromise SEV-legacy guest migration… Not rated May 10, 2022
CVE-2021-26330 AMD System Management Unit (SMU) may experience a heap-based overflow which may result in a loss of resources Not rated Nov 16, 2021
CVE-2020-12961 A potential vulnerability exists in AMD Platform Security Processor (PSP) that may allow an attacker to zero any… Not rated Nov 16, 2021
CVE-2020-12954 A side effect of an integrated chipset option may be able to be used by an attacker to bypass SPI ROM protections,… Not rated Nov 16, 2021
CVE-2021-26331 AMD System Management Unit (SMU) contains a potential issue where a malicious user may be able to manipulate mailbox… Not rated Nov 16, 2021
CVE-2021-26321 Insufficient ID command validation in the SEV Firmware may allow a local authenticated attacker to perform a denial of… Not rated Nov 16, 2021
CVE-2021-26320 Insufficient validation of the AMD SEV Signing Key (ASK) in the SEND_START command in the SEV Firmware may allow a local… Not rated Nov 16, 2021
CVE-2021-26322 Persistent platform private key may not be protected with a random IV leading to a potential “two time pad attack” Not rated Nov 16, 2021
CVE-2021-26329 AMD System Management Unit (SMU) may experience an integer overflow when an invalid length is provided which may… Not rated Nov 16, 2021
CVE-2021-26338 Improper access controls in System Management Unit (SMU) may allow for an attacker to override performance control… Not rated Nov 16, 2021

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