AMD 4th Gen AMD EPYC™ Processors

• CVE-2023-20577 High 7.4 A heap overflow in SMM module may allow an attacker with access to a second vulnerability that enables writing to SPI flash, potentially resulting in arbitrary code execution. 0.2%
• CVE-2023-31315 High 7.5 Improper validation in a model specific register (MSR) could allow a malicious program with ring0 access to modify SMM configuration while SMI lock is enabled, potentially leading to arbitrary code ex 0.6%
• CVE-2024-21980 High 7.9 Improper restriction of write operations in SNP firmware could allow a malicious hypervisor to potentially overwrite a guest's memory or UMC seed resulting in loss of confidentiality and integrity. 0.4%
• CVE-2024-21978 Medium 6.0 Improper input validation in SEV-SNP could allow a malicious hypervisor to read or overwrite guest memory potentially leading to data leakage or data corruption. 0.5%
• CVE-2023-31355 Medium 6.0 Improper restriction of write operations in SNP firmware could allow a malicious hypervisor to overwrite a guest's UMC seed potentially allowing reading of memory from a decommissioned guest. 0.4%
• CVE-2023-20587 High 7.1 Improper Access Control in System Management Mode (SMM) may allow an attacker access to the SPI flash potentially leading to arbitrary code execution. 0.2%
• CVE-2023-31347 Medium 4.9 Due to a code bug in Secure_TSC, SEV firmware may allow an attacker with high privileges to cause a guest to observe an incorrect TSC when Secure TSC is enabled potentially resulting in a loss of gues 0.5%
• CVE-2023-31346 Medium 6.0 Failure to initialize memory in SEV Firmware may allow a privileged attacker to access stale data from other guests. 0.3%
• CVE-2023-20573 Low 3.2 Debug Exception Delivery in Secure Nested Paging 0.3%
• CVE-2023-20566 Medium 5.3 Improper address validation in ASP with SNP enabled may potentially allow an attacker to compromise guest memory integrity. 0.4%
• CVE-2023-20519 Unrated A Use-After-Free vulnerability in the management of an SNP guest context page may allow a malicious hypervisor to masquerade as the guest's migration agent resulting in a potential loss of guest integ 0.2%
• CVE-2021-26345 Low 1.9 Failure to validate the value in APCB may allow a privileged attacker to tamper with the APCB token to force an out-of-bounds memory read potentially resulting in a denial of service. 0.4%
• CVE-2021-46774 Medium 6.7 Insufficient DRAM address validation in System Management Unit (SMU) may allow an attacker to read/write from/to an invalid DRAM address, potentially resulting in denial-of-service. 0.5%
• CVE-2021-46766 Low 2.5 Improper clearing of sensitive data in the ASP Bootloader may expose secret keys to a privileged attacker accessing ASP SRAM, potentially leading to a loss of confidentiality. 0.2%
• CVE-2023-20569 Unrated A side channel vulnerability on some of the AMD CPUs may allow an attacker to influence the return address prediction. This may result in speculative execution at an attacker-controlled address, po 7.3%
• CVE-2023-20575 Medium 6.5 A potential power side-channel vulnerability in some AMD processors may allow an authenticated attacker to use the power reporting functionality to monitor a program’s execution inside an AMD SEV VM 0.8%