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Date: Tue, 02 Dec 2008 09:15:42 +0800
From: Eugene Teo <eteo@...hat.com>
To: oss-security@...ts.openwall.com
CC: "Steven M. Christey" <coley@...us.mitre.org>
Subject: Re: CVE request: kernel: Unix sockets kernel panic
dann frazier wrote:
> On Tue, Nov 11, 2008 at 05:41:44PM +0800, Eugene Teo wrote:
>> Eugene Teo wrote:
>>> We need a CVE name for this issue. This was reported in netdev today.
>>>
>>> "The following code causes a kernel panic on Linux 2.6.26:
>>> http://darkircop.org/unix.c
>>>
>>> I haven't investigated the bug so I'm not sure what is causing it, and
>>> don't know if it's exploitable. The code passes unix sockets from one
>>> process to another using unix sockets. The bug probably has to do
>>> with closing file descriptors."
>>>
>>> http://marc.info/?l=linux-netdev&m=122593044330973&w=2
>>> https://bugzilla.redhat.com/show_bug.cgi?id=470201
>>>
>>> There isn't a fix yet. Dave is working on it.
>> There's a fix now.
>>
>> Upstream commits: f8d570a, 3b53fbf, and 6209344.
>>
>> https://bugzilla.redhat.com/show_bug.cgi?id=470201#c10
>> https://bugzilla.redhat.com/show_bug.cgi?id=470201#c14
>> https://bugzilla.redhat.com/show_bug.cgi?id=470201#c9
>> https://bugzilla.redhat.com/show_bug.cgi?id=470201#c13
>
> Thanks for following up.
>
> fyi, our testing of this fix has uncovered additional issues.
> Local/unprivileged users can cause soft lockups and take out system
> processes by triggering the OOM killer:
> http://marc.info/?l=linux-netdev&m=122721862313564&w=2
This additional bug is assigned with CVE-2008-5300.
Thanks, Eugene
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