So far, every operating system on all devices built in the last 10 years from phones to laptops and desktops to servers are affected by the two processor vulnerabilities, Spectre and Meltdown.
https://wiki.ubuntu.com/SecurityTeam/KnowledgeBase/SpectreAndMeltdown?_ga=2.152542201.1536783165.1515144215-1317311919.1511205651
We can expect some GCC and cpu microcode updates soon.
Interesting development at Intel.