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ALSA: sound/pci/asihpi: check adapter index in hpi_ioctl
authorDan Rosenberg <drosenberg@vsecurity.com>
Thu, 17 Mar 2011 22:32:24 +0000 (18:32 -0400)
committerGreg Kroah-Hartman <gregkh@suse.de>
Wed, 23 Mar 2011 20:03:59 +0000 (13:03 -0700)
commitf97aa1f43ed9e241a05f7e4d2e4afedf97356f7a
tree95b1c12ca5e082bf33f8ff22b9f2805a5666b9c1tree | snapshot
parentf8cd8789d24ead2e737aae898ab8d5ee0291bb75commit | diff
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>
sound/pci/asihpi/hpioctl.c diff | blob | history
unionfs2-2.6.39.y