Intel 'Downfall': Severe flaw in billions of CPUs leaks passwords and much more
Intel 'Downfall': Severe flaw in billions of CPUs leaks passwords and much more
There is a serious security flaw in billions of Intel CPUs that can let attackers steal confidential data like passwords and encryption keys. Firmware updates can fix it, but at a potential significant performance loss.
Oh no.
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What does that even mean for me (has Debian running on a 2015 MacBook with Intel processor).
Will I get such a driver patch somehow?
I just checked my package updates on my Debian server and there is a new update for the Intel-Microcodes available already.
It's the AVX-2/AVX-512 instructions that have issues. In most cases unless you're running a server CPU (or extremely recent consumer CPU) you'll be fine.
Scary for HPC/AI? Yes. For most people? Not really.
AVX-2 has been in pretty much every CPU since 2011. For AVX512 intel's been shipping that to consumers since Ice Lake 2019.
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