CVE-2023-20569

CVE-2023-20569 concerns a side-channel vulnerability in some AMD CPUs where an attacker may influence the return-address predictor, enabling speculative execution at attacker-controlled addresses and potential information disclosure. The vulnerability is discussed across multiple connected source...

CVE-2022-23821

CVE-2022-23821 describes an improper access control in AMD System Management Mode (SMM) that could allow an attacker to write to SPI ROM and potentially achieve arbitrary code execution. Connected sources indicate this affects AMD ASP/SMM components and is mitigated by Platform Initialization (PI...

CVE-2023-20555

CVE-2023-20555 is an AMD SMM memory corruption flaw due to insufficient input validation in CpmDisplayFeatureSmm, allowing an attacker to overwrite an arbitrary bit in an attacker-controlled pointer and potentially execute code in SMM. Connected sources indicate this affects AMD processors with S...

CVE-2022-23820

CVE-2022-23820 corresponds to a vulnerability in AMD ASP/PSP/SMM handling where failure to validate the AMD SMM communication buffer could allow an attacker to corrupt SMRAM and achieve arbitrary code execution. Public details in AMD’s bulletin AMD-SB-5001 confirm the issue and map it to multiple...

CVE-2023-20571

CVE-2023-20571 describes a race condition in AMD System Management Mode (SMM) code that, if exploited by a compromised user-space process, could facilitate privilege escalation by leveraging CVE-2018-8897. The connected AMD advisories confirm this issue under AMD SB-5001/AMD SB-4002 families with...

CVE-2023-20563

CVE-2023-20563 is a documented AMD/PI firmware vulnerability affecting System Management Mode (SMM) with local privilege escalation potential. The Connected AMD bulletin entries (AMD-SB-5001 and AMD-SB-4002) describe multiple affected AMD embedded platforms and indicate mitigations via Platform I...

CVE-2023-20589

The CVE-2023-20589 entry corresponds to a voltage fault injection vulnerability affecting fTPM ASP secure boot on AMD Ryzen platforms (Zen 1/2/3). The AMD-SB-4005 bulletin provides concrete details: potential arbitrary code execution via physical access and specialized hardware, impacting a wide ...

CVE-2023-20565

CVE-2023-20565 is documented in AMD’s embedded/PI firmware advisories (AMD-SB-5001 and related) as a high-severity issue where insufficient protections in System Management Mode (SMM) could allow privilege escalation via local access. The connected AMD bulletin provides mitigations via Platform I...