oss-security - Re: CVE request: kernel: niu buffer overflow for ETHTOOL

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Message-ID: <422536504.2141931284164956806.JavaMail.root@zmail01.collab.prod.int.phx2.redhat.com>
Date: Fri, 10 Sep 2010 20:29:16 -0400 (EDT)
From: Josh Bressers <bressers@...hat.com>
To: oss-security@...ts.openwall.com
Cc: "Steven M. Christey" <coley@...us.mitre.org>
Subject: Re: CVE request: kernel: niu buffer overflow for
 ETHTOOL_GRXCLSRLALL

Please use CVE-2010-3084

Thanks.

-- 
    JB

----- "Eugene Teo" <eugene@...hat.com> wrote:

> https://bugzilla.redhat.com/show_bug.cgi?id=632069
> http://www.spinics.net/lists/netdev/msg140133.html
> 
> "niu_get_ethtool_tcam_all() assumes that its output buffer is the
> right 
> size, and warns before returning if it is not.  However, the output 
> buffer size is under user control and ETHTOOL_GRXCLSRLALL is an 
> unprivileged ethtool command."
> 
> Affects kernel v2.6.30-rc1 onwards.
> 
> Thanks, Eugene
> -- 
> main(i) { putchar(182623909 >> (i-1) * 5&31|!!(i<7)<<6) && main(++i);
> }

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