CVE-2018-5407: new side-channel vulnerability on SMT/Hyper-Threading architectures

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handy
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Joined: Mon Apr 23, 2018 2:00 pm

CVE-2018-5407: new side-channel vulnerability on SMT/Hyper-Threading architectures

#1 Post by handy »

Another Intel CPU vulnerability:

https://seclists.org/oss-sec/2018/q4/123

This is a slightly older post from Theo de Raadt on intel's hyperthreading:

https://marc.info/?l=openbsd-tech&m=153504937925732&w=2
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Stevo
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Re: CVE-2018-5407: new side-channel vulnerability on SMT/Hyper-Threading architectures

#2 Post by Stevo »

If you can't disable hyperthreading in your UEFI /BIOS settings, apparently you can write a udev rule for each real core: http://forums.debian.net/viewtopic.php?f=16&t=138972
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