CVE-2023-20558

CVE-2023-20558 involves AMD Secure Processor/SMU SMM code. The root cause is insufficient control flow management in AmdCpmOemSmm, which could allow a privileged attacker to tamper with the SMM handler and escalate privileges. Affected software/hardware: AMD Ryzen 2000 series desktop processors (...

CVE-2021-26384

CVE-2021-26384 is a vulnerability described as a malformed System Management Interface (SMI) command that can corrupt the SMI Trigger Info data structure, potentially enabling out-of-bounds memory reads/writes when an SMI is triggered. The AMD ADM/AMD-SB-1027 bulletin lists this CVE among others ...

CVE-2023-20559

The CVE-2023-20559 entry concerns AMD Ryzen 2000-series CPUs with a vulnerability in the System Management Mode (SMM) component. Specifically, insufficient control flow management in AmdCpmGpioInitSmm could allow a privileged attacker to tamper with the SMM handler, potentially leading to privile...