AMD Updates CPU Vulnerabilities
This is a UEFI news story, published by CSO, that relates primarily to Ryzen news.
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AMDCSO
•AMD CPUs impacted by 18-year-old SMM flaw that enables firmware implants
76% Informative
AMD has issued microcode updates for a wide range of server and desktop CPUs to address a vulnerability that could allow attackers to bypass protections for the System Management Mode (SMM) and execute malicious code in the low-level firmware outside of the OS.
The flaw could be used to deploy stealthy boot-level rootkits in UEFI that are very hard to detect or remove.
The vulnerability (CVE-2023-31315) impacts nearly all AMD EPYC series and Ryzen series CPUs.
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