It’s been a roller coaster.
Since the announcement containing research about the emergence of Meltdown and Spectre, there’s been inconclusive data spread around like wildfire.
The inconsistencies have caused mass panic and have left people wondering what exactly it is they are supposed to do.
We’ve collated some resources for you here along with a brand new, on-demand webinar in which I explain diagrammatically how the vulnerabilities and mitigations work. I use Tachyon to demonstrate how to manage patch status across your entire IT estate.  Hopefully, it will help deliver at least some clarity to what can be an alarming and certainly confusing topic.
meltdown
Here are some other important links to look into:
Charlie Demerjian speaks about security holes. Whether or not his predictions are accurate, it's difficult to say, but this guy knows his stuff and doesn't pull any punches.
Meltdown PoC on Github.
Dark Reading.

For further publications on 1E about Meltdown, check these: