From: Mark H Weaver <mhw@netris.org>
To: Leo Famulari <leo@famulari.name>
Cc: guix-devel@gnu.org
Subject: Re: Meltdown / Spectre
Date: Sun, 07 Jan 2018 01:38:40 -0500 [thread overview]
Message-ID: <87incedvgv.fsf@netris.org> (raw)
In-Reply-To: <87vageeobi.fsf@netris.org> (Mark H. Weaver's message of "Sat, 06 Jan 2018 15:15:29 -0500")
Mark H Weaver <mhw@netris.org> writes:
> Leo Famulari <leo@famulari.name> writes:
>
>> The Spectre bugs have to be fixed per-application for now. As far as I
>> know, we haven't made any related changes to packages besides
>> linux-libre.
>>
>> Mozilla has released an update that is supposed to mitigate the
>> vulnerability but I don't if they'll be porting it back to the extended
>> support release that Icecat is based on.
>
> I just backported the Spectre mitigation from Firefox 57.0.4 to IceCat,
> and pushed it to master here:
>
> https://git.savannah.gnu.org/cgit/guix.git/commit/?id=c23243fccd4f73430ca06a862acd33c020c8ed17
I just followed this up with a Spectre mitigation for WebKitGTK+
backported from upstream WebKit:
https://git.savannah.gnu.org/cgit/guix.git/commit/?id=56804398a94bea941183ae4ed29d2a9f82069a6f
Note that WebKitGTK+ had already reduced the resolution of
performance.now() to 100 microseconds over a year ago:
https://bugs.webkit.org/show_bug.cgi?id=165503
Mark
next prev parent reply other threads:[~2018-01-07 6:39 UTC|newest]
Thread overview: 50+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-01-06 13:20 What do Meltdown and Spectre mean for libreboot x200 user? Alex Vong
2018-01-06 17:23 ` Mark H Weaver
2018-01-06 17:43 ` Meltdown / Spectre Leo Famulari
2018-01-06 20:15 ` Mark H Weaver
2018-01-07 6:38 ` Mark H Weaver [this message]
2018-01-07 21:29 ` Mark H Weaver
2018-01-09 21:39 ` Alex Vong
2018-01-10 4:59 ` Leo Famulari
2018-01-16 10:57 ` Ludovic Courtès
2018-01-19 22:06 ` Mark H Weaver
2018-01-20 0:17 ` Leo Famulari
2018-01-21 16:26 ` Mark H Weaver
2018-01-24 14:23 ` Ludovic Courtès
2018-01-24 16:19 ` Mark H Weaver
2018-01-26 22:05 ` Mark H Weaver
2018-01-27 16:12 ` Ludovic Courtès
2018-01-10 15:00 ` ng0
2018-01-08 10:30 ` Ludovic Courtès
2018-01-10 5:27 ` Leo Famulari
2018-01-07 2:44 ` Chris Marusich
2018-01-08 17:22 ` Katherine Cox-Buday
2018-01-08 18:26 ` Marius Bakke
2018-01-08 21:51 ` Tobias Geerinckx-Rice
2018-01-08 22:01 ` Tobias Geerinckx-Rice
2018-01-09 20:13 ` Katherine Cox-Buday
2018-01-09 21:18 ` Tobias Geerinckx-Rice
2018-01-10 5:26 ` Leo Famulari
2018-01-11 19:45 ` Katherine Cox-Buday
2018-01-11 21:49 ` Adonay Felipe Nogueira
2018-01-10 10:46 ` Tobias Platen
2018-01-10 17:20 ` Leo Famulari
2018-01-10 6:43 ` Christopher Lemmer Webber
2018-01-10 18:41 ` Kei Kebreau
2018-01-16 3:58 ` Chris Marusich
2018-01-17 19:20 ` Gábor Boskovits
2018-01-14 15:11 ` Alex Vong
2018-01-09 23:10 ` Mark H Weaver
2018-01-10 5:04 ` Leo Famulari
2018-01-16 11:10 ` Ludovic Courtès
2018-01-17 2:38 ` Mike Gerwitz
2018-01-17 14:11 ` Ludovic Courtès
2018-01-10 9:36 ` Chris Marusich
2018-01-10 11:49 ` Adonay Felipe Nogueira
2018-01-10 12:35 ` Tobias Platen
2018-01-10 14:04 ` Gábor Boskovits
2018-01-12 0:25 ` Marius Bakke
2018-01-15 8:07 ` Pjotr Prins
2018-01-16 3:08 ` Mike Gerwitz
2018-01-16 10:04 ` Pjotr Prins
2018-01-12 7:39 ` Chris Marusich
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