AMD chips are not affected by the flaw.
"Patches for Linux systems have been posted privately; although, some developers are said to be frustrated that the comments describing the fix for the open-source software have been redacted to prevent details of the bug from leaking."
Full Article
http://www.zdnet.com/article/tech-giants-scramble-to-fix-intel-processor-security-flaw/
Is there a patch for unRAID?