https://www.newscientist.com/article/2157883-how-to-protect-yourself-from-the-meltdown-and-spectre-bugs/

The bugs are called Meltdown and Spectre, and they exploit a process called “speculative execution”. This step allows a processor to predict what tasks it will have to execute and fetch the data that it will need ahead of time, speeding up tasks on your computer.

This can leave ostensibly secure data unprotected and allow programs to access the computer’s kernel, which has control over the whole system, without the