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Date: Wed, 14 Sep 2011 14:51:28 -0400 (EDT)
From: Josh Bressers <>
Subject: Re: CVE request -- kernel: cifs: always do
 is_path_accessible check in cifs_mount

Please use CVE-2011-3363 for this.



----- Original Message -----
> "Currently, we skip doing the is_path_accessible check in cifs_mount
> if
> there is no prefixpath. There is a report of at least one server
> however
> that allows a TREE_CONNECT to a share that has a DFS referral at its
> root. UNC that had no prefixpath was used in that case, so the
> is_path_accessible check was not triggered and the box later hit
> a BUG() because we were chasing a DFS referral on the root dentry for
> the mount."
> Upstream fix:
> 70945643722ffeac779d2529a348f99567fa5c33
> References:
> Thanks,
> --
> Petr Matousek / Red Hat Security Response Team

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