CVE-2023-52711

Various Issues Due To Exposed SMI Handler in AmdPspP2CmboxV2. The first issue can be leveraged to bypass the protections that have been put in place by previous UEFI phases to prevent direct access to the SPI flash. The second issue can be used to both leak and corrupt SMM memory thus potentially...

CVE-2023-52712

CVE-2023-52712 involves an exposed SMI handler in the AMD PSP component AmdPspP2CmboxV2. The issue allows bypassing protections from earlier UEFI phases to access SPI flash and enables leaking and corruption of SMM memory, with potential code execution in SMM. Affected software is AMD’s PspP2Cmbo...

CVE-2023-52712

Various Issues Due To Exposed SMI Handler in AmdPspP2CmboxV2. The first issue can be leveraged to bypass the protections that have been put in place by previous UEFI phases to prevent direct access to the SPI flash. The second issue can be used to both leak and corrupt SMM memory, thus potentiall...