linux-kernel - Re: CVE-2016-7097 causes acl leak

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Date:   Sun, 11 Dec 2016 19:48:25 +0100
From:   Greg KH <gregkh@...uxfoundation.org>
To:     Mark Salyzyn <salyzyn@...roid.com>
Cc:     LKML <linux-kernel@...r.kernel.org>
Subject: Re: CVE-2016-7097 causes acl leak

On Mon, Dec 05, 2016 at 09:16:31AM -0800, Mark Salyzyn wrote:
> Commit 073931017b49d9458aa351605b43a7e34598caef has several occurrences of
> an acl leak.
> 
> posix_acl_update_mode(inose, &mode, &acl);
> 
> . . .
> 
> posix_acl_release(acl);
> 
> 
> acl is NULLed in posix_acl_update_mode to signal caller to not update the
> acl; but because it is nulled, it is never released.

Any reason you didn't cc: the authors of that patch and the correct
mailing list for it (hint, use scripts/get_maintainer.pl on the
patch...)

Try that and see what happens...

thanks,

greg k-h