Amd Ryzen 5 4500U Firmware vulnerabilities

CVE-2023-20579 [MEDIUM] CWE-284 CVE-2023-20579: Improper Access Control in the AMD SPI protection feature may allow a user with Ring0 (kernel mode) Improper Access Control in the AMD SPI protection feature may allow a user with Ring0 (kernel mode) privileged access to bypass protections potentially resulting in loss of integrity and availability.

CVE-2022-23820 [HIGH] 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-2022-23821 [CRITICAL] CVE-2022-23821: Improper access control in System Management Mode (SMM) may allow an attacker to write to SPI ROM po Improper access control in System Management Mode (SMM) may allow an attacker to write to SPI ROM potentially leading to arbitrary code execution.

CVE-2021-46758 [MEDIUM] CVE-2021-46758: Insufficient validation of SPI flash addresses in the ASP (AMD Secure Processor) bootloader may allo Insufficient validation of SPI flash addresses in the ASP (AMD Secure Processor) bootloader may allow an attacker to read data in memory mapped beyond SPI flash resulting in a potential loss of availability and integrity.

CVE-2023-20555 [HIGH] CWE-787 CVE-2023-20555: Insufficient input validation in CpmDisplayFeatureSmm may allow an attacker to corrupt SMM memory by Insufficient input validation in CpmDisplayFeatureSmm may allow an attacker to corrupt SMM memory by overwriting an arbitrary bit in an attacker-controlled pointer potentially leading to arbitrary code execution in SMM.