Amd 3Rd Gen EPYC vulnerabilities

26 vulnerabilities

Known vulnerabilities in Amd 3Rd Gen EPYC, newest first, with CVSS severity, EPSS, KEV listings, ransomware use and the affected versions.

5.5CVE-2021-26343amd3rd gen epyc+24
EPSS score
0.18%
Insufficient validation in ASP BIOS and DRTM commands may allow malicious supervisor x86 software to disclose the contents of sensitive memory which may result in information disclosure.
7.8CVE-2021-26398amd1st gen epyc+66
EPSS score
0.21%
Insufficient input validation in SYS_KEY_DERIVE system call in a compromised user application or ABL may allow an attacker to corrupt ASP (AMD Secure Processor) OS memory which may lead to potential arbitrary code execution.
7.8CVE-2021-26409amd3rd gen epyc+1
EPSS score
0.19%
Insufficient bounds checking in SEV-ES may allow an attacker to corrupt Reverse Map table (RMP) memory, potentially resulting in a loss of SNP (Secure Nested Paging) memory integrity.
7.8CVE-2021-26316amd1st gen epyc+152
EPSS score
0.26%
Failure to validate the communication buffer and communication service in the BIOS may allow an attacker to tamper with the buffer resulting in potential SMM (System Management Mode) arbitrary code execution.
7.8CVE-2021-26353amd3rd gen epyc+23
EPSS score
0.27%
Failure to validate inputs in SMM may allow an attacker to create a mishandled error leaving the DRTM UApp in a partially initialized state potentially resulting in loss of memory integrity.
4.4CVE-2021-26396amd3rd gen epyc+24
EPSS score
0.11%
Insufficient validation of address mapping to IO in ASP (AMD Secure Processor) may result in a loss of memory integrity in the SNP guest.
4.4CVE-2021-26328amd3rd gen epyc+24
EPSS score
0.18%
Failure to verify the mode of CPU execution at the time of SNP_INIT may lead to a potential loss of memory integrity for SNP guests.
5.5CVE-2021-26404amd3rd gen epyc+23
EPSS score
0.18%
Improper input validation and bounds checking in SEV firmware may leak scratch buffer bytes leading to potential information disclosure.
5.5CVE-2021-26355amd3rd gen epyc+24
EPSS score
0.17%
Insufficient fencing and checks in System Management Unit (SMU) may result in access to invalid message port registers that could result in a potential denial-of-service.
7.1CVE-2021-26402amd2nd gen epyc+51
EPSS score
0.18%
Insufficient bounds checking in ASP (AMD Secure Processor) firmware while handling BIOS mailbox commands, may allow an attacker to write partially-controlled data out-of-bounds to SMM or SEV-ES regions which may lead to a potential loss of integrity and availability.
8.8CVE-2021-39298amd2nd gen epyc+191
EPSS score
0.37%
A potential vulnerability in AMD System Management Mode (SMM) interrupt handler may allow an attacker with high privileges to access the SMM resulting in arbitrary code execution which could be used by malicious actors to bypass security mechanisms provided in the UEFI firmware.
5.5CVE-2021-46791amd3rd gen epyc+1
EPSS score
0.18%
Insufficient input validation during parsing of the System Management Mode (SMM) binary may allow a maliciously crafted SMM executable binary to corrupt Dynamic Root of Trust for Measurement (DRTM) user application memory that may result in a potential denial of service.
5.5CVE-2021-46768amd2nd gen epyc+3
EPSS score
0.17%
Insufficient input validation in SEV firmware may allow an attacker to perform out-of-bounds memory reads within the ASP boot loader, potentially leading to a denial of service.
6.1CVE-2021-46767amd2nd gen epyc+3
EPSS score
0.27%
Insufficient input validation in the ASP may allow an attacker with physical access, unauthorized write access to memory potentially leading to a loss of integrity or denial of service.
7.1CVE-2021-46779amd1st gen epyc+5
EPSS score
0.18%
Insufficient input validation in SVC_ECC_PRIMITIVE system call in a compromised user application or ABL may allow an attacker to corrupt ASP (AMD Secure Processor) OS memory which may lead to potential loss of integrity and availability.
5.3CVE-2022-23813amd2nd gen epyc+3
EPSS score
0.50%
The software interfaces to ASP and SMU may not enforce the SNP memory security policy resulting in a potential loss of integrity of guest memory in a confidential compute environment.
5.3CVE-2022-23814amd3rd gen epyc+1
EPSS score
0.47%
Failure to validate addresses provided by software to BIOS commands may result in a potential loss of integrity of guest memory in a confidential compute environment.
2.4CVE-2023-20528amd2nd gen epyc+51
EPSS score
0.24%
Insufficient input validation in the SMU may allow a physical attacker to exfiltrate SMU memory contents over the I2C bus potentially leading to a loss of confidentiality.
5.7CVE-2023-20523amd2nd gen epyc+51
EPSS score
0.18%
TOCTOU in the ASP may allow a physical attacker to write beyond the buffer bounds, potentially leading to a loss of integrity or denial of service.
7.5CVE-2023-20529amd2nd gen epyc+51
EPSS score
0.62%
Insufficient bound checks in the SMU may allow an attacker to update the from/to address space to an invalid value potentially resulting in a denial of service.