From: Katherine Cox-Buday <cox.katherine.e@gmail.com>
To: Aurora <rind38@disroot.org>
Cc: guix-devel@gnu.org
Subject: Re: Hardened toolchain
Date: Thu, 28 Apr 2022 12:41:07 -0500 [thread overview]
Message-ID: <87fslxds24.fsf@gmail.com> (raw)
In-Reply-To: <87k0b93yaj.fsf@disp3269> (Aurora's message of "Thu, 28 Apr 2022 13:36:36 -0400")
Aurora <rind38@disroot.org> writes:
> Katherine Cox-Buday <cox.katherine.e@gmail.com> writes:
>
>> Everyone has different threat models and needs. A lot of computers
>> have CPU speculative execution attack mitigation disabled because
>> those types of attacks will never affect those computers, and it
>> reduces the performance of the CPU a lot.
>
> There are multicore processors made in the last decade or two that
> aren't affected by speculative execution vulnerabilities?
They are vulnerable to them, but not necessarily affected by them.
Consider a computer not networked to the internet and only running
trusted workloads (e.g. scientific HPC, etc.). This is why acknowledging that everyone has a different threat model is important.
I hope this helps to clarify.
Sincerely,
--
Katherine
next prev parent reply other threads:[~2022-04-28 18:03 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-03-21 13:34 Hardened toolchain zimoun
[not found] ` <Mymdzxm--3-2@tutanota.com>
2022-03-22 19:06 ` zimoun
2022-03-22 20:02 ` kiasoc5--- via Development of GNU Guix and the GNU System distribution.
2022-03-25 19:39 ` kiasoc5--- via Development of GNU Guix and the GNU System distribution.
2022-03-25 22:54 ` zimoun
2022-03-26 19:33 ` kiasoc5--- via Development of GNU Guix and the GNU System distribution.
2022-03-26 22:02 ` kiasoc5--- via Development of GNU Guix and the GNU System distribution.
2022-03-27 20:06 ` zimoun
2022-03-27 20:22 ` Maxime Devos
2022-03-28 3:17 ` Maxim Cournoyer
2022-03-28 7:35 ` zimoun
2022-03-29 0:02 ` kiasoc5--- via Development of GNU Guix and the GNU System distribution.
2022-03-29 10:15 ` Ludovic Courtès
2022-04-14 18:59 ` kiasoc5--- via Development of GNU Guix and the GNU System distribution.
2022-04-15 15:18 ` jbranso
2022-04-15 16:04 ` Zhu Zihao
2022-04-15 16:34 ` raingloom
2022-04-26 11:07 ` Katherine Cox-Buday
2022-04-28 17:36 ` Aurora
2022-04-28 17:41 ` Katherine Cox-Buday [this message]
2022-04-28 19:53 ` Aurora
2022-04-28 17:50 ` Vagrant Cascadian
2022-04-28 19:54 ` Aurora
2022-04-29 10:31 ` zimoun
2022-04-29 15:51 ` kiasoc5--- via Development of GNU Guix and the GNU System distribution.
2022-05-02 14:55 ` Katherine Cox-Buday
2022-05-02 16:25 ` Maxime Devos
2022-05-02 17:41 ` zimoun
2022-05-02 21:10 ` Maxime Devos
-- strict thread matches above, loose matches on Subject: below --
2022-04-15 20:36 Nathan Dehnel
2022-04-16 3:51 ` raingloom
2022-03-21 4:31 kiasoc5--- via Development of GNU Guix and the GNU System distribution.
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