From: Oliver Neukum <oneukum@suse.com>
Date: Thu, 31 Mar 2016 16:04:26 +0000 (-0400)
Subject: USB: digi_acceleport: do sanity checking for the number of ports
X-Git-Tag: v3.2.80~48
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3867082924673a9371792e822fe3ed403eeff4d9;p=pandora-kernel.git

USB: digi_acceleport: do sanity checking for the number of ports

commit 5a07975ad0a36708c6b0a5b9fea1ff811d0b0c1f upstream.

The driver can be crashed with devices that expose crafted descriptors
with too few endpoints.

See: http://seclists.org/bugtraq/2016/Mar/61

Signed-off-by: Oliver Neukum <ONeukum@suse.com>
[johan: fix OOB endpoint check and add error messages ]
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
[bwh: Backported to 3.2: adjust context]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---

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