The more tangible worry for the Meltdown and Spectre fixes was that they would slow down the computer. Luckily, this turns out to have been somewhat exaggerated.
There’s a Fix for New CPU Flaw, But It Can Slow Machines Down
Google and Microsoft have identified a CPU flaw, but the fix can slow machines down. It leaves some users having to make a choice between security or performance.
How to Handle Meltdown and Spectre on Linux Ubuntu
Meltdown and Spectre are big security issues, and they affect almost every computer. For Linux (and Ubuntu) there are already a lot of updates available to fight Meltdown and Spectre. You only need to install them.
How to Check Your Linux PC for Meltdown or Spectre Vulnerability
One of the scariest realities of the Meltdown and Spectre vulnerabilities is just how widespread they are. Use these simple tools to see how your Linux PC is affected and what you can do.
How to Check If Your Windows System Is Protected from Meltdown and Spectre
While Microsoft has released emergency updates to patch Meltdown and Spectre bugs. considering the complexity of the bugs, your Windows system may or may not be fully patched.