New
#11
#8 No, we are all open for it as for now:
You can get the testtool and read more about it here: RIDL and Fallout: MDS attacks
RIDL vulnerability hits Intel -- AGAIN
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New #12
I've had issues with the MDS Tool shown in @Burgurne's post, and I've read online that this tool may not actually represent the true security state of a Windows 10 PC (see comments on the download page from RIDL and Fallout: MDS attacks). I'm not convinced this tool is everything it needs to be just yet. Frankly, I'm hoping that somebody like Steve Gibson might do another such tool. Sigh.
--Ed--
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New #13
#12 +1 but this tool is all that there is for now. Hopefully some more trusted wendors will make something we can trust more.
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New #14
You have to turn off hyper-threading as well (so one CPU is one CPU not 2) which you can do with bcdedit on Windows or similar things on Linux or macOS.
Intel say it will be a 2% decrease in performance.
Apple say it will be 40% decrease in performance.
MS say nothing about performance decrease.
Presumably Intel think MT was such a "good thing" that disabling it (even though it will reduce performance by 2%) that everyone who paid the extra should be happy.
Obviously Intel were not telling the truth in the first place (and nor are any of the others).
They are all a bit stuck between lying in the past and lying in the present.
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New #15
Is Intel still saying that 9th and some 8th generation Core processors aren't vulnerable to Microarchitectural Data Sampling attacks? Some researchers were claiming the other day that they are vulnerable.
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