Amd 3Rd 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-2024-21978 [HIGH] CWE-20 CVE-2024-21978: Improper input validation in SEV-SNP could allow a malicious hypervisor to read or overwrite guest m 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.

CVE-2024-21980 [HIGH] CWE-119 CVE-2024-21980: Improper restriction of write operations in SNP firmware could allow a malicious hypervisor to poten 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.

CVE-2023-31355 [MEDIUM] CWE-119 CVE-2023-31355: Improper restriction of write operations in SNP firmware could allow a malicious hypervisor to overw 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.

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-2023-31346 [MEDIUM] CWE-284 CVE-2023-31346: Failure to initialize memory in SEV Firmware may allow a privileged attacker to access stale data fr Failure to initialize memory in SEV Firmware may allow a privileged attacker to access stale data from other guests.

CVE-2023-31347 [MEDIUM] CWE-682 CVE-2023-31347: Due to a code bug in Secure_TSC, SEV firmware may allow an attacker with high privileges to cause a 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 guest integrity.

CVE-2023-20573 [LOW] CWE-693 CVE-2023-20573: A privileged attacker can prevent delivery of debug exceptions to SEV-SNP guests potentially resulti A privileged attacker can prevent delivery of debug exceptions to SEV-SNP guests potentially resulting in guests not receiving expected debug information.

CVE-2022-23820 [CRITICAL] CWE-20 CVE-2022-23820: Failure to validate the AMD SMM communication buffer may allow an attacker to corrupt the SMRAM pote Failure to validate the AMD SMM communication buffer may allow an attacker to corrupt the SMRAM 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-2023-20566 [HIGH] CVE-2023-20566: Improper address validation in ASP with SNP enabled may potentially allow an attacker to compromise Improper address validation in ASP with SNP enabled may potentially allow an attacker to compromise guest memory integrity.

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-2022-23830 [MEDIUM] CVE-2022-23830: SMM configuration may not be immutable, as intended, when SNP is enabled resulting in a potential li SMM configuration may not be immutable, as intended, when SNP is enabled resulting in a potential limited loss of guest memory integrity.

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-2023-20519 [LOW] CWE-416 CVE-2023-20519: A Use-After-Free vulnerability in the management of an SNP guest context page may allow a malicious 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 integrity.

CVE-2023-20594 [MEDIUM] CWE-824 CVE-2023-20594: Improper initialization of variables in the DXE driver may allow a privileged user to leak sensitive Improper initialization of variables in the DXE driver may allow a privileged user to leak sensitive information via local access.