linux-kernel - Re: [PATCH v4] vsprintf: Check real user/group id for %pK

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Date:	Mon, 14 Oct 2013 15:53:36 -0700
From:	Joe Perches <joe@...ches.com>
To:	Ryan Mallon <rmallon@...il.com>
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	eldad@...refinery.com, Jiri Kosina <jkosina@...e.cz>,
	jgunthorpe@...idianresearch.com,
	Dan Rosenberg <dan.j.rosenberg@...il.com>,
	Kees Cook <keescook@...omium.org>,
	Alexander Viro <viro@...iv.linux.org.uk>,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	George Spelvin <linux@...izon.com>,
	"kernel-hardening@...ts.openwall.com" 
	<kernel-hardening@...ts.openwall.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Rob Landley <rob@...dley.net>, Ingo Molnar <mingo@...e.hu>,
	linux-doc@...r.kernel.org
Subject: Re: [PATCH v4] vsprintf: Check real user/group id for %pK

On Tue, 2013-10-15 at 09:38 +1100, Ryan Mallon wrote:
> This is a temporary solution only, but fixes a minor security hole when
> kptr_restrict=1. I am working to fix this properly, but there is still
> some discussion around how to achieve this, see here:

Glad you changed your mind.


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