linux-kernel - Re: XFS security fix never sent to -stable?

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Message-ID: <20131210155746.GB1935@sgi.com>
Date:	Tue, 10 Dec 2013 09:57:46 -0600
From:	Ben Myers <bpm@....com>
To:	Eric Sandeen <sandeen@...deen.net>
Cc:	Josh Boyer <jwboyer@...oraproject.org>,
	Greg KH <gregkh@...uxfoundation.org>,
	Luis Henriques <luis.henriques@...onical.com>,
	Brian Foster <bfoster@...hat.com>,
	Kees Cook <keescook@...gle.com>,
	Dwight Engen <dwight.engen@...cle.com>,
	LKML <linux-kernel@...r.kernel.org>,
	"stable@...r.kernel.org" <stable@...r.kernel.org>, xfs@....sgi.com,
	Gao feng <gaofeng@...fujitsu.com>,
	Dave Chinner <dchinner@...hat.com>
Subject: Re: XFS security fix never sent to -stable?

Hi,

On Tue, Dec 10, 2013 at 08:31:23AM -0600, Eric Sandeen wrote:
> On 12/10/13, 7:15 AM, Josh Boyer wrote:
> > On Tue, Dec 10, 2013 at 2:56 AM, Greg KH <gregkh@...uxfoundation.org> wrote:
> >> On Tue, Dec 10, 2013 at 10:55:23AM +1100, Dave Chinner wrote:
> >>> [cc xfs list, cc stable@...r.kernel.org]
> >>>
> >>> On Mon, Dec 09, 2013 at 08:17:09AM -0500, Josh Boyer wrote:
> >>>> On Mon, Dec 9, 2013 at 7:15 AM, Luis Henriques
> >>>> <luis.henriques@...onical.com> wrote:
> >>>>> On Thu, Dec 05, 2013 at 04:35:50PM -0800, Kees Cook wrote:
> >>>>>> Hi,
> >>>>>>
> >>>>>> It looks like 8c567a7fab6e086a0284eee2db82348521e7120c ("xfs: add
> >>>>>> capability check to free eofblocks ioctl") is a security fix that was
> >>>>>> never sent to -stable? From what I can see, it was introduced in 3.8
> >>>>>> by 8ca149de80478441352a8622ea15fae7de703ced ("xfs: add
> >>>>>> XFS_IOC_FREE_EOFBLOCKS ioctl").
> >>>>>>
> >>>>>> I don't see this in the 3.8.y tree. Should it be added there and newer?
> >>>>>
> >>>>> Thanks Kees, I'm queuing it for the 3.11 kernel.
> >>>>
> >>>> There's also this one:
> >>>>
> >>>> http://thread.gmane.org/gmane.comp.file-systems.xfs.general/57654
> >>>>
> >>>> It fixes CVE-2013-6382
> >>>
> >>> First I've heard about it there being a CVE for that bug. Since when
> >>> has it been considered best practice to publish CVEs without first
> >>> (or ever) directly contacting the relevant upstream developers?
> >>>
> >>> But, regardless of how broken I think the CVE process is, commit
> >>> 071c529 ("xfs: underflow bug in xfs_attrlist_by_handle()") should be
> >>> picked up by the stable kernels.
> >>
> >> I don't see that commit in Linus's tree, is it not there yet?
> > 
> > Not yet.  Ben said it's applied but I'm not sure where that is.
> 
> xfs git tree:
> 
> http://oss.sgi.com/cgi-bin/gitweb.cgi?p=xfs/xfs.git;a=commitdiff;h=071c529eb672648ee8ca3f90944bcbcc730b4c06

I'll send a pull request containing this commit this afternoon.

Thanks,
	Ben
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