![]() ![]() By continuing the speculation in these cases, the affected Intel microprocessors expose a new side-channel for attack. Like Meltdown, Rogue System Register Read, and “Lazy FP state restore”, the “L1 Terminal Fault” vulnerability can occur when affected Intel microprocessors speculate beyond an unpermitted data access. It’s a good read but here’s some excerpts if you are interested in only the highlights: Changed it to “true”, rebooted the host, and Googled on this setting to come across this KB article. Found, which was set to “false” but sounded suspiciously similar to the warning I had. Went to Configure > Settings > Advanced System Settings and searched for anything with “hyperthread” in it. After that the host started giving this warning:. Upgraded one of our ESXi hosts with the latest patches released today that are aimed at fixing the L1 Terminal Fault issues. ![]()
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