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Old Aug 8, 2019, 04:01 PM   #300
bill dennison
Radeon Arctic Islands
 
Join Date: Jan 2007
Location: United States phoenix
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Originally Posted by andino View Post
Quote:
Although Bitdefender tested two AMD CPUs and found that neither exhibited speculative behavior for the SWAPGS instruction, and although AMD says that they believe its products are, for that reason, not vulnerable to the SWAPGS variant attack, a Red Hat advisory says that the vulnerability “applies to x86-64 systems using either Intel or AMD processors.”

Microsoft also mentions AMD and ARM-based systems being vulnerable to Spectre attacks, but it’s unclear whether this latest variant (SWAPGS attack) would affect them. The company provided security updates with fixes for various Windows versions, including Windows 10 for ARM64-based systems.

https://www.helpnetsecurity.com/2019...swapgs-attack/

MS has done this before and pulled the AMD fixes back out later
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