From: James Forshaw <forshaw@google.com>
Date: Sat, 23 Aug 2014 21:39:48 +0000 (-0700)
Subject: USB: whiteheat: Added bounds checking for bulk command response
X-Git-Tag: omap-fixes-against-v3.17-rc3~24^2~16
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6817ae225cd650fb1c3295d769298c38b1eba818;p=pandora-kernel.git

USB: whiteheat: Added bounds checking for bulk command response

This patch fixes a potential security issue in the whiteheat USB driver
which might allow a local attacker to cause kernel memory corrpution. This
is due to an unchecked memcpy into a fixed size buffer (of 64 bytes). On
EHCI and XHCI busses it's possible to craft responses greater than 64
bytes leading a buffer overflow.

Signed-off-by: James Forshaw <forshaw@google.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

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