https://techcrunch.com/2018/01/03/a-major-kernel-vulnerability-is-going-to-slow-down-all-intel-processors-2/

A significant vulnerability has been discovered in all Intel processor chips and it’s going to have a huge impact going forward. The Register first noticed this major design flaw in Linux kernel patch notes. All operating systems will have to be updated (Linux distributions, Windows, macOS…).

And the worst part is that this patch is going to affect your computer performances. Based on a few benchmarks, The Register thinks computers running Intel chips are going to be slower by 5 to 30 percent.