this post was submitted on 08 Aug 2023
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Technology

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AMD "INCEPTION" CPU Vulnerability Disclosed (www.phoronix.com)
submitted 1 year ago by pnutzh4x0r@lemmy.ndlug.org to c/technology@beehaw.org
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AMD-SB-7005 "Return Address Security Bulletin" outlines this new speculative side channel attack affecting recent EPYC and Ryzen processors.

AMD has received an external report titled ‘INCEPTION’, describing a new speculative side channel attack. AMD believes ‘Inception’ is only potentially exploitable locally, such as via downloaded malware, and recommends customers employ security best practices, including running up-to-date software and malware detection tools. AMD is not aware of any exploit of ‘Inception’ outside the research environment, at this time.

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[–] yum13241@lemm.ee 1 points 1 year ago

Getting more performance is not greedy. What is greedy is adding hacks for performance for $$$'s which is greedy considering the security nightmares that come with it. Also, how the hell are you supposed to update your BIOS if it's not supported by fwupd and you can't use Windows?

Also, what Zen 3 added was not flushing what Zen 2 flushed.