Amd 2Nd Gen Amd Epyc Processors vulnerabilities

CVE-2023-31315 [HIGH] CWE-94 CVE-2023-31315: Improper validation in a model specific register (MSR) could allow a malicious program with ring0 ac 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 execution.

CVE-2022-23829 [HIGH] CWE-284 CVE-2022-23829: A potential weakness in AMD SPI protection features may allow a malicious attacker with Ring0 (kerne 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 (SMM) ROM protections.

CVE-2023-20587 [HIGH] CWE-284 CVE-2023-20587: Improper Access Control in System Management Mode (SMM) may allow an attacker access to the SPI flas 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 [HIGH] CVE-2021-46774: Insufficient DRAM address validation in System Management Unit (SMU) may allow an attacker to read/w 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.

CVE-2023-20533 [HIGH] CVE-2023-20533: Insufficient DRAM address validation in System Management Unit (SMU) may allow an attacker to read/w 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.

CVE-2021-26345 [MEDIUM] CWE-125 CVE-2021-26345: Failure to validate the value in APCB may allow a privileged attacker to tamper with the APCB token 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.

CVE-2023-20526 [MEDIUM] CVE-2023-20526: Insufficient input validation in the ASP Bootloader may enable a privileged attacker with physical a Insufficient input validation in the ASP Bootloader may enable a privileged attacker with physical access to expose the contents of ASP memory potentially leading to a loss of confidentiality.

CVE-2023-20592 [MEDIUM] CVE-2023-20592: Improper or unexpected behavior of the INVD instruction in some AMD CPUs may allow an attacker with 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 behavior of the CPU leading to a potential loss of guest virtual machine (VM) memory integrity.

CVE-2023-20521 [MEDIUM] CWE-367 CVE-2023-20521: TOCTOU in the ASP Bootloader may allow an attacker with physical access to tamper with SPI ROM recor TOCTOU in the ASP Bootloader may allow an attacker with physical access to tamper with SPI ROM records after memory content verification, potentially leading to loss of confidentiality or a denial of service.

CVE-2023-20569 [MEDIUM] CWE-203 CVE-2023-20569: A side channel vulnerability on some of the AMD CPUs may allow an attacker to influence the retur 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, potentially leading to information disclosure.

CVE-2023-20593 [MEDIUM] CWE-209 CVE-2023-20593: An issue in “Zen 2” CPUs, under specific microarchitectural circumstances, may allow an attacker to An issue in “Zen 2” CPUs, under specific microarchitectural circumstances, may allow an attacker to potentially access sensitive information.

CVE-2023-20575 [MEDIUM] CWE-203 CVE-2023-20575: A potential power side-channel vulnerability in some AMD processors may allow an authenticated atta 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 potentially resulting in a leak of sensitive information.

CVE-2021-46756 [CRITICAL] CWE-20 CVE-2021-46756: Insufficient validation of inputs in SVC_MAP_USER_STACK in the ASP (AMD Secure Processor) bootloader 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 malformed or invalid syscall to the bootloader resulting in a potential denial of service and loss of integrity.

CVE-2021-26406 [HIGH] CVE-2021-26406: Insufficient validation in parsing Owner's Certificate Authority (OCA) certificates in SEV (AMD Secu Insufficient validation in parsing Owner's Certificate Authority (OCA) certificates in SEV (AMD Secure Encrypted Virtualization) and SEV-ES user application can lead to a host crash potentially resulting in denial of service.

CVE-2021-26356 [HIGH] CWE-367 CVE-2021-26356: A TOCTOU in ASP bootloader may allow an attacker to tamper with the SPI ROM following data read to m 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 information disclosure.

CVE-2021-26354 [MEDIUM] CWE-120 CVE-2021-26354: Insufficient bounds checking in ASP may allow an attacker to issue a system call from a compromised 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 initialized to zero, potentially leading to a loss of integrity.

CVE-2021-26371 [MEDIUM] CVE-2021-26371: A compromised or malicious ABL or UApp could send a SHA256 system call to the bootloader, which may 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 leading to information disclosure.

CVE-2022-27672 [MEDIUM] CVE-2022-27672: When SMT is enabled, certain AMD processors may speculatively execute instructions using a target fr When SMT is enabled, certain AMD processors may speculatively execute instructions using a target from the sibling thread after an SMT mode switch potentially resulting in information disclosure.