From: Doug Ledford <dledford@redhat.com>
To: Pavel Machek <pavel@suse.cz>
Cc: Andrea Arcangeli <andrea@suse.de>,
jh@suse.cz, linux-kernel@vger.kernel.org, jakub@redhat.com,
aj@suse.de, ak@suse.de, pavel@atrey.karlin.mff.cuni.cz,
References: 20020417194249.B23438@redhat.com,
20020418072615.I14322@dualathlon.random
Subject: Re: SSE related security hole
Date: Thu, 18 Apr 2002 15:32:38 -0400 [thread overview]
Message-ID: <20020418153238.A25037@redhat.com> (raw)
In-Reply-To: <20020418072615.I14322@dualathlon.random> <20020418094444.A2450@redhat.com> <20020418192003.GE11220@atrey.karlin.mff.cuni.cz>
On Thu, Apr 18, 2002 at 09:20:03PM +0200, Pavel Machek wrote:
> It introduces security hole: Unrelated tasks now have your top secret
> value you stored in one of your registers.
Well, that's been my point all along and why I sent the patch. I was not
asking why leaving the registers alone instead of 0ing them out was not a
security hole. I was asking why doing so was not backward compatible?
--
Doug Ledford <dledford@redhat.com> 919-754-3700 x44233
Red Hat, Inc.
1801 Varsity Dr.
Raleigh, NC 27606
next prev parent reply other threads:[~2002-04-18 19:32 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-04-17 23:42 SSE related security hole Doug Ledford
2002-04-18 5:26 ` Andrea Arcangeli
2002-04-18 9:10 ` Arjan van de Ven
2002-04-18 11:18 ` Alan Cox
2002-04-18 11:14 ` Andi Kleen
2002-04-18 11:53 ` Alan Cox
2002-04-18 11:46 ` Andi Kleen
2002-04-18 11:55 ` Andi Kleen
2002-04-18 13:44 ` Doug Ledford
2002-04-18 19:20 ` Pavel Machek
2002-04-18 19:32 ` Doug Ledford [this message]
2002-04-21 19:54 ` Pavel Machek
2002-04-18 8:22 ` Andi Kleen
2002-04-18 14:02 ` [OT: nostalgia] " Matthias Andree
-- strict thread matches above, loose matches on Subject: below --
2002-04-22 22:24 Saxena, Sunil
[not found] <20020418183639.20946.qmail@science.horizon.com.suse.lists.linux.kernel>
[not found] ` <a9ncgs$2s2$1@cesium.transmeta.com.suse.lists.linux.kernel>
2002-04-19 14:06 ` Andi Kleen
2002-04-19 18:00 ` Doug Ledford
2002-04-19 21:04 ` Andrea Arcangeli
2002-04-19 21:35 ` H. Peter Anvin
2002-04-19 21:42 ` Andi Kleen
2002-04-20 3:23 ` Andrea Arcangeli
2002-04-19 22:18 ` Jan Hubicka
[not found] <200204182320.53095.nahshon@actcom.co.il>
2002-04-19 11:22 ` Alan Cox
2002-04-18 18:36 linux
2002-04-18 18:53 ` Richard B. Johnson
2002-04-21 19:52 ` Pavel Machek
2002-04-21 22:11 ` David Wagner
2002-04-18 21:06 ` H. Peter Anvin
2002-04-17 14:51 Jan Hubicka
2002-04-17 15:23 ` Jan Hubicka
2002-04-18 14:57 ` Denis Vlasenko
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