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Yet another Intel CPU security problem

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DamonLynch
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2019/11/12 14:08:24 (permalink)
And the hits keep coming to Intel's SMT implementation, with mitigations resulting in non-trivial performance regressions:
 
"Intel announced in May a Microarchitectural Data Sampling (MDS) problem that attackers could exploit to extract information from its processors despite their built-in safeguards. Today it revealed that MDS was an even bigger problem than many people realized by announcing a new TSX Asynchronous Abort (TAA) vulnerability. Intel also disclosed a new Jump Conditional Code (JCC) erratum today and released a patch that does have a performance impact"
 
https://www.tomshardware.com/news/intel-reveals-taa-vulnerabilities-in-cascade-lake-chips-and-a-new-jcc-bug
 
I think the obvious lesson is — expect more such news in future as researchers delve deeper.
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    veganfanatic
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    Re: Yet another Intel CPU security problem 2019/11/12 16:36:43 (permalink)
    saw that on twitter this AM, seems that hyperthreading is a real headache
     

      


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