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Date: Mon, 7 Nov 2016 13:48:54 +0100
From: Moritz Muehlenhoff <>
Subject: Re: Re: kernel: fix minor infoleak in get_user_ex()


> > get_user_ex(x, ptr) should zero x on failure. It's not a lot of a leak
> > (at most we are leaking uninitialized 64bit value off the kernel
> > stack, and in a fairly constrained situation
> > 
> >
> >
> Use CVE-2016-9178.

Can you please clarify on the scope of CVE-2016-9178?

I assume this is for the leak fixed with 1c109fabbd51863475cd12ac206bdd249aee35af,
but the LWN comment by Brad Spengler referenced above refers to a new issue
which affected some Linux stable lines, which backported 
1c109fabbd51863475cd12ac206bdd249aee35af without also backporting

So please assign a second CVE ID for the latter.


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