If you have an interest in understanding the technical details of the
Meltdown and Spectre bugs - here are a couple of papers and write-ups
that are worth reading...
https://meltdownattack.com/
https://googleprojectzero.blogspot.com/2018/01/reading-privileged-memory-with-side.html
https://cyber.wtf/2017/07/28/negative-result-reading-kernel-memory-from-user-mode/
https://krebsonsecurity.com/2018/01/scary-chip-flaws-raise-spectre-of-meltdown/
https://www.schneier.com/blog/archives/2018/01/spectre_and_mel_1.html