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-2023-4969

CVE-2023-4969 describes a vulnerability where a GPU kernel can read sensitive data from another GPU kernel through the local memory region across various architectures. The issue is a confidentiality exposure (HIGH) with LOCAL access and LOW attack complexity; no user interaction is required. The...

CVE-2023-20579

CVE-2023-20579 involves improper access control in the AMD SPI protection feature. A local Ring0 (kernel mode) user could bypass protections, potentially affecting integrity and availability. Connected documents confirm this is an AMD SPI protection flaw and cite multiple advisories (NVD, Red Hat...

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-2023-20596

CVE-2023-20596 involves improper input validation in the AMD SMM Supervisor. A compromised SMI handler could gain Ring0 and potentially execute arbitrary code. Documents show affected AMD platforms across Desktop, Mobile, and Embedded lines, with mitigations delivered via OEM firmware updates (e....