Cascade Lake, In-Silicon Spectre And Meltdown Mitigations
https://www.tomshardware.com/news/intel-cascade-lake-details-spectre-meltdown,37674.html
Intel will continue to use operating system (OS) and virtual machine manager (VMM) patches to tackle Variant 1, which is one of two flavors of Spectre. Cascade Lake addresses Spectre Variant 2 with a combination of in-silicon fixes and OS/VMM patches. Variant 3a and Variant 4 are newer vulnerabilities that will continue to require firmware and OS/VMM patches.
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