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GNU+Linux command memo

Check if your Linux kernel is vulnerable to Spectre or Meltdown

Vérifier si votre noyau Linux est vulnérable à Spectre ou Meltdown

$ curl https://raw.githubusercontent.com/speed47/spectre-meltdown-checker/master/spectre-meltdown-checker.sh | bash
This is a perfect example of what you should avoid to do as a root user without having read and understood the sources, or really trust the author
Mozilla mentionned Spectre & Meltdown mitigation in Firefox starting from version : 57.0.4

2 years after

Important known bugs are now listed by the Linux kernel :

$ cat /proc/cpuinfo
 []
bugs		: cpu_meltdown spectre_v1 spectre_v2 spec_store_bypass l1tf mds swapgs taa itlb_multihit
 []