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The main system that I am concerned about is my arch BTW machine. I found a great article from the official archlinux site covering it.
For my machine I am concerned with this line.
The xz packages prior to version 5.6.1-2 (specifically 5.6.0-1 and 5.6.1-1) contain this backdoor.
I checked my xz package with paru, and I am good.
paru -Qii zx