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Date: Wed, 20 Jun 2018 00:48:55 +0400
From: Loganaden Velvindron <>
Subject: Intel hyper-threading security issues

Hi all,

OpenBSD has gone ahead and disabled Intel Hyper threading with a
fairly detailed comment about the reasons behind:

As far as I can tell:
-cache timing attacks are possible, and spectre-like problems are an
issue again.
-OSes will need to modify their schedulers to avoid scheduling domains
in a dangerous way.

When will the details be published so that OpenBSD users who buy Intel
hardware can get more fined grained solutions against specific attack
vectors ? Is it also scheduled for the 27th ?

Kind regards,

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