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Date: Sat, 1 Feb 2014 03:02:32 +0400
From: Solar Designer <>
Cc: PaX Team <>
Subject: Re: Linux 3.4+: arbitrary write with CONFIG_X86_X32 (CVE-2014-0038)

On Sat, Feb 01, 2014 at 11:24:37AM +1300, Matthew Daley wrote:
> > Reported by pageexec at
> >, which is
> > restricted, so here's the full report:
> Was this was reported to the Chromium bugtracker in the first
> instance? If so, why? I can't see what the relation between Chromium
> and Linux kernel issues would be, unless I suppose it was found
> through work on sandboxing/NaCl/seccomp.
> (Not assuming or implying anything at all, I'm just confused!)

Google is offering bounties for responsible disclosure of bugs in
Google's software, and I guess this includes use of Linux kernel by
Chromium OS.  (I don't know if this specific vulnerability was relevant
to Google's products, but I wouldn't be surprised if Google is generous
enough to pay a bounty anyway.)

On a related note, Google is also offering bounties for security
enhancements to some Open Source projects once such enhancements are
accepted upstream.  This includes Linux kernel and many more:

... but finding a vulnerability would probably not fall under the latter


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