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 12:22:28 +0200
From: Lukas Odzioba <lukas.odzioba@...il.com>
To: oss-security@...ts.openwall.com
Cc: secure@...el.com
Subject: Re: Intel hyper-threading security issues

2018-06-21 11:37 GMT+02:00 Stuart Henderson <stu@...cehopper.org>:
> That isn't possible with some BIOS. For example, newer Lenovo machines
> removed the option apparently due to perceived lack of demand...

If you feel like you really need that, on Linux you can dump SRAT ACPI
table decompile it, remove APICID entries of "ht processors", compile
it back and put into initrd.
https://www.kernel.org/doc/Documentation/acpi/initrd_table_override.txt

Thanks,
Lukas

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.