Openwall GNU/*/Linux - a small security-enhanced Linux distro for servers
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Date: Thu, 21 Jun 2018 07:56:42 +0300
From: Georgi Guninski <guninski@...inski.com>
To: oss-security@...ts.openwall.com
Cc: secure@...el.com
Subject: Re: Intel hyper-threading security issues

On Wed, Jun 20, 2018 at 12:48:55AM +0400, Loganaden Velvindron wrote:
> Hi all,
> 
> OpenBSD has gone ahead and disabled Intel Hyper threading with a
> fairly detailed comment about the reasons behind:
> 
> https://www.mail-archive.com/source-changes@openbsd.org/msg99141.html
>

Freebsd:

https://www.freebsd.org/security/advisories/FreeBSD-SA-05:09.htt.asc
Topic:          information disclosure when using HTT
Announced:      2005-05-13
When running on processors supporting Hyper-Threading Technology, it is
possible for a malicious thread to monitor the execution of another
thread.
V.   Solution

Disable Hyper-Threading Technology on processors that support it.
 

Powered by blists - more mailing lists

Your e-mail address:

Please check out the Open Source Software Security Wiki, which is counterpart to this mailing list.

Confused about mailing lists and their use? Read about mailing lists on Wikipedia and check out these guidelines on proper formatting of your messages.