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On Mon, Dec 5, 2016 at 1:45 AM, "Tóth Attila" <atoth@××××××××××.hu> wrote: |
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> 2016.December 5.(H) 07:39 időpontban Andrew Savchenko ezt írta: |
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>> 3) Can some hardware features like Intel TSX be used to protect |
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>> from such race conditions? |
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> |
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> Just a sidenote on TSX: although it sounds procmising, I've been seeing |
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> multiple reports on Intel disabling the feature on several processors by |
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> microcode update due to various bugs since its debut. Not just some |
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> Haswell and Broadwell, but also some Skylake prcoessors are involved as |
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> well. |
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This is a good point - the hardware needs to be properly implemented |
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as well. There have already been cases where improper implementation |
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and unaccounted-for physical interactions have been used to elevate |
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permissions. |
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> BR: Dw. |
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> -- |
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> dr Tóth Attila, Radiológus, 06-20-825-8057 |
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> Attila Toth MD, Radiologist, +36-20-825-8057 |
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> |
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> |