Yep, it's been a mess for the last ~10 days. It even affects ARM processors, and it gets worse when you're using VPSes, that is, anything on the cloud like AWS, azure.. Any guest on the same node can potentially access the memory and steal the data of another guest, OUCH!.
And since it directly affects the CPU architecture and the memory management, all your passwords & most importantly private keys can be leaked.
These images are from online.net testing the new performance of the servers.
On linux, you can test if you're vulnerable using this script
https://github.com/speed47/spectre-meltdown-checker