Massive security vulnerabilities in modern CPUs are forcing a redesign of the kernel software at the heart of all major operating systems. Since the issues – dubbed Meltdown and Spectre – exist in the CPU hardware itself, Windows, Linux, Android, Macs, Chromebooks, and other operating systems all need to protect against it. And worse, it appears that plugging the hole will negatively affect your PC’s performance.
Everyday home users shouldn’t panic too much, though. Just apply the latest operating system updates and keep your antivirus software vigilant, as ever.
Here’s a look at what you need to know about Meltdown and Spectre, in plain language. If you want a deep-dive into the technical details, be sure to read Google’s post on the CPU vulnerabilities. We’ve updated this article repeatedly as…