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Vulnerabilities of AMD 1st Gen AMD EPYC™ Processors

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CVE Summary Score Published
CVE-2023-31315 Improper validation in a model specific register (MSR) could allow a malicious program with ring0 access to modify SMM… 7.5 High Aug 9, 2024
CVE-2022-23829 A potential weakness in AMD SPI protection features may allow a malicious attacker with Ring0 (kernel mode) access to… 8.2 High Jun 18, 2024
CVE-2023-20587 Improper Access Control in System Management Mode (SMM) may allow an attacker access to the SPI flash potentially… 7.1 High Feb 13, 2024
CVE-2023-20592 Improper or unexpected behavior of the INVD instruction in some AMD CPUs may allow an attacker with a malicious… Not rated Nov 14, 2023
CVE-2023-20526 Insufficient input validation in the ASP Bootloader may enable a privileged attacker with physical access to expose… 1.9 Low Nov 14, 2023
CVE-2023-20521 TOCTOU in the ASP Bootloader may allow an attacker with physical access to tamper with SPI ROM records after memory… 3.3 Low Nov 14, 2023
CVE-2021-46774 Insufficient DRAM address validation in System Management Unit (SMU) may allow an attacker to read/write from/to an… 6.7 Medium Nov 14, 2023
CVE-2023-20575 A potential power side-channel vulnerability in some AMD processors may allow an authenticated attacker to use the power… 6.5 Medium Jul 11, 2023
CVE-2021-46756 Insufficient validation of inputs in SVC_MAP_USER_STACK in the ASP (AMD Secure Processor) bootloader may allow an… 9.1 Critical May 9, 2023
CVE-2021-26406 Insufficient validation in parsing Owner's Certificate Authority (OCA) certificates in SEV (AMD Secure Encrypted… 7.5 High May 9, 2023
CVE-2021-26371 A compromised or malicious ABL or UApp could send a SHA256 system call to the bootloader, which may result in exposure… 5.5 Medium May 9, 2023
CVE-2021-26356 A TOCTOU in ASP bootloader may allow an attacker to tamper with the SPI ROM following data read to memory potentially… 7.4 High May 9, 2023
CVE-2022-27672 When SMT is enabled, certain AMD processors may speculatively execute instructions using a target from the sibling… Not rated Feb 14, 2023

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