From: Dan Rosenberg <drosenberg@vsecurity.com>
Date: Thu, 17 Mar 2011 22:32:24 +0000 (-0400)
Subject: ALSA: sound/pci/asihpi: check adapter index in hpi_ioctl
X-Git-Tag: v2.6.37.5~25
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c8c9edfe6a04a862066dffbffe255eaae5742efc;p=pandora-kernel.git

ALSA: sound/pci/asihpi: check adapter index in hpi_ioctl

commit 4a122c10fbfe9020df469f0f669da129c5757671 upstream.

The user-supplied index into the adapters array needs to be checked, or
an out-of-bounds kernel pointer could be accessed and used, leading to
potentially exploitable memory corruption.

Signed-off-by: Dan Rosenberg <drosenberg@vsecurity.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---

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