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Question about Spectre vulnerability mitigation

PostPosted:Fri Jan 12, 2018 6:58 pm
by rkhunter
Guys, I have little question about Spectre#1 mitigation in Win10 kernel.

For what Win10 kernel trap handlers were updated with LFENCE instructions? As I understand Spectre#1 can't allow Ring 3 code to read kernel memory or to be executed as Ring 0. Or I'm wrong?