Amd 3rd Gen Amd Epyc™ Processors
25 CVEs affecting Amd 3rd Gen Amd Epyc™ Processors. Latest disclosed: 2024-08-12. Critical: 1, High: 6.
| CVE | Severity | Score | Published | Summary |
|---|---|---|---|---|
CVE-2021-46756 | Critical | 9.1 | 2023-05-09 | Insufficient validation of inputs in SVC_MAP_USER_STACK in the ASP (AMD Secure Processor) bootloader may allow an attacker with a malicious Uapp or ABL to send… |
CVE-2022-23829 | High | 8.2 | 2024-06-18 | A potential weakness in AMD SPI protection features may allow a malicious attacker with Ring0 (kernel mode) access to bypass the native System Management Mode… |
CVE-2024-21980 | High | 7.9 | 2024-08-05 | 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… |
CVE-2023-31315 | High | 7.5 | 2024-08-12 | 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… |
CVE-2022-23820 | High | 7.5 | 2023-11-14 | Failure to validate the AMD SMM communication buffer may allow an attacker to corrupt the SMRAM potentially leading to arbitrary code execution. |
CVE-2021-26356 | High | 7.4 | 2023-05-09 | A TOCTOU in ASP bootloader may allow an attacker to tamper with the SPI ROM following data read to memory potentially resulting in S3 data corruption and infor… |
CVE-2023-20587 | High | 7.1 | 2024-02-13 | Improper Access Control in System Management Mode (SMM) may allow an attacker access to the SPI flash potentially leading to arbitrary code execution. … |
CVE-2021-46774 | Medium | 6.7 | 2023-11-14 | Insufficient DRAM address validation in System Management Unit (SMU) may allow an attacker to read/write from/to an invalid DRAM address, potentially resulting… |
CVE-2023-20592 | Medium | 6.5 | 2023-11-14 | Improper or unexpected behavior of the INVD instruction in some AMD CPUs may allow an attacker with a malicious hypervisor to affect cache line write-back beha… |
CVE-2023-20575 | Medium | 6.5 | 2023-07-11 | A potential power side-channel vulnerability in some AMD processors may allow an authenticated attacker to use the power reporting functionality to monitor a… |
CVE-2023-20533 | Medium | 6.1 | 2023-11-14 | Insufficient DRAM address validation in System Management Unit (SMU) may allow an attacker to read/write from/to an invalid DRAM address, potentially resulting… |
CVE-2024-21978 | Medium | 6.0 | 2024-08-05 | Improper input validation in SEV-SNP could allow a malicious hypervisor to read or overwrite guest memory potentially leading to data leakage or data corruptio… |
CVE-2023-31355 | Medium | 6.0 | 2024-08-05 | Improper restriction of write operations in SNP firmware could allow a malicious hypervisor to overwrite a guest's UMC seed potentially allowing reading of mem… |
CVE-2023-31346 | Medium | 6.0 | 2024-02-13 | Failure to initialize memory in SEV Firmware may allow a privileged attacker to access stale data from other guests. |
CVE-2021-26371 | Medium | 5.5 | 2023-05-09 | A compromised or malicious ABL or UApp could send a SHA256 system call to the bootloader, which may result in exposure of ASP memory to userspace, potentially… |
CVE-2021-26354 | Medium | 5.5 | 2023-05-09 | Insufficient bounds checking in ASP may allow an attacker to issue a system call from a compromised ABL which may cause arbitrary memory values to be initializ… |
CVE-2023-20566 | Medium | 5.3 | 2023-11-14 | Improper address validation in ASP with SNP enabled may potentially allow an attacker to compromise guest memory integrity. |
CVE-2023-31347 | Medium | 4.9 | 2024-02-13 | 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 enable… |
CVE-2023-20594 | Medium | 4.4 | 2023-09-20 | Improper initialization of variables in the DXE driver may allow a privileged user to leak sensitive information via local access. |
CVE-2023-20521 | Low | 3.3 | 2023-11-14 | TOCTOU in the ASP Bootloader may allow an attacker with physical access to tamper with SPI ROM records after memory content verification, potentially leading t… |