KPTI the new Linux kernel feature to mitigate 'meltdown' | Linux Today
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KPTI the new Linux kernel feature to mitigate ‘meltdown’

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Jan 5, 2018

A new set of vulnerabilities were disclosed recently. As part of mitigating ‘meltdown’, the kernel introduced a new feature called Kernel Page Table Isolation (KPTI). This was a big change to come in late in the typical kernel development cycle but it provides important protection with some performance penalty. Updated kernels for supported versions of Fedora contain the KPTI patches. This article a high level overview of how KPTI works.
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