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List: oss-security
Subject: Re: [oss-security] CVE request: xen: request-processing loop is
From: Josh Bressers <bressers () redhat ! com>
Date: 2010-11-24 13:06:00
Message-ID: 486240715.374251290603960112.JavaMail.root () zmail01 ! collab ! prod ! int ! phx2 ! redhat ! com
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Please use CVE-2010-4247.
Thanks.
--
JB
----- "Eugene Teo" <eugene@redhat.com> wrote:
> If the frontend pass a bad index of production request, the backend
> will
> enter an endless loop and then cause a excessive CPU consumption. A
> Xen
> guest can cause the Xen host to be unresponsive.
>
> This issue has been fixed in upstream by:
> changeset: 391:77f831cbb91d
> user: Keir Fraser <keir.fraser@citrix.com>
> date: Fri Jan 18 16:52:25 2008 +0000
> summary: blkback: Request-processing loop is unbounded and hence
> requires a
> http://xenbits.xensource.com/linux-2.6.18-xen.hg?rev/77f831cbb91d
>
> changeset: 392:7070d34f251c
> user: Keir Fraser <keir.fraser@citrix.com>
> date: Mon Jan 21 11:43:31 2008 +0000
> summary: blkback/blktap: Check for kthread_should_stop() in inner
> loop,
> http://xenbits.xensource.com/linux-2.6.18-xen.hg?rev/7070d34f251c
>
> Thanks, Eugene
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