Lots of information, out there after the embargo was partially lifted
(all the details have not been revealed).
Meltdown which breaks the most fundamental isolation between user
applications and the operating system and reportedly effects virtually
all Intel CPUs. ARM have indicated that the ARM A75 is effected by
Meltdown, a variant of Meltdown (3a) effects the Cortex A15, A57 and A72
CPUs. AMD have indicated that they are not vulnerable due to a different
Spectre consists of two variants : -
Variant 1 which Intel, ARM and AMD CPU are all
susceptible to this can be mitigated by OS patching.
Variant 2 which Intel and ARM are both susceptible,
however AMD have indicated that this vulnerability has not been shown.
I suspect there will be additional vulnerabilities announced later, now
that more people know the types of exploits to use.
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