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Date: Mon, 22 Sep 2014 18:00:21 +0200
From: Moritz Muehlenhoff <jmm@...ian.org>
To: oss-security@...ts.openwall.com
Cc: Steve French <sfrench@...ba.org>
Subject: Re: CVE request: [CIFS] Possible null ptr deref in
SMB2_tcon
On Mon, Sep 22, 2014 at 06:43:19PM +0530, P J P wrote:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
>
> Hello Raphael,
>
> +-- On Wed, 17 Sep 2014, Raphael Geissert wrote --+
> | Commit 18f39e7b[1] of the linux kernel repository fixes a remote null
> | pointer dereference on the client when it resolves DFS referrals but
> | the server deletes the IPC$ share.
>
> IIUC, this would occur while mounting a remote share, right? mount(2) would
> be a privileged operation on the client.
True, but on Debian and derivatives like Ubuntu mount.cifs is usually setuid root.
Cheers,
Moritz
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