The premature disclosure of Spectre and Meltdown security flaws lead to chaos for vendors and customers early last year. Manufacturers like
Apple,
Microsoft, and
Ubuntu were forced to release rushed mitigations to combat the problem,
which also resulted in some botched updates and
performance hits for most machines.
Now, several companies including Microsoft, Google, AMD, ARM, Intel, and Red Hat have jointly disclosed details about Spectre Variant 4, mitigations for which could result in yet another performance hit.
