Intel and AMD Processor Flaws
It seems that processors from both Intel and AMD have security flaws that have been recently discovered. The AMD processors flaws go back to 2017 on every generation of processor and Intels processors go back to 2015. The only exception is the latest version of Intel processors.
You can read about both security flaws by clicking the appropriate links below
The Register has more on the AMD Security flaw here
Wired has more on the Intel Security flaw here