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Date: Mon, 27 Nov 2017 09:34:11 +0100
From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Eric Biggers <ebiggers3@gmail.com>
Cc: stable@vger.kernel.org, Vlastimil Babka <vbabka@suse.cz>,
        Dmitry Vyukov <dvyukov@google.com>,
        "Kirill A. Shutemov" <kirill@shutemov.name>,
        Andrea Arcangeli <aarcange@redhat.com>,
        Laurent Dufour <ldufour@linux.vnet.ibm.com>
Subject: Re: Apply "x86/mm: fix use-after-free of vma during userfaultfd
 fault" to 4.9-stable
Message-ID: <20171127083411.GA21793@kroah.com>
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On Mon, Nov 27, 2017 at 12:03:43AM -0800, Eric Biggers wrote:
> Commit cb0631fd3cf9 ("x86/mm: fix use-after-free of vma during userfaultfd
> fault") went into mainline without Cc: stable.  It appears to be a
> use-after-free reachable by unprivileged users -- at least with
> CONFIG_USERFAULTFD=y.  Can it please be applied to 4.9-stable?

Now queued up, thanks,

greg k-h