Robb Glasser 362bca57f5 ALSA: pcm: prevent UAF in snd_pcm_info ...

When the device descriptor is closed, the `substream->runtime` pointer
is freed. But another thread may be in the ioctl handler, case
SNDRV_CTL_IOCTL_PCM_INFO. This case calls snd_pcm_info_user() which
calls snd_pcm_info() which accesses the now freed `substream->runtime`.

Note: this fixes CVE-2017-0861

Signed-off-by: Robb Glasser <rglasser@google.com>
Signed-off-by: Nick Desaulniers <ndesaulniers@google.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

2017-12-05 23:28:08 +01:00

..

oss

License cleanup: add SPDX GPL-2.0 license identifier to files with no license

2017-11-02 11:10:55 +01:00

seq

ALSA: seq: Remove spurious WARN_ON() at timer check

2017-11-30 10:08:28 +01:00

compress_offload.c

ALSA: compress: Remove unused variable

2017-09-18 15:45:01 +02:00

control_compat.c

ALSA: Get rid of card power_lock

2017-08-30 20:44:29 +02:00

control.c

ALSA: Get rid of card power_lock

2017-08-30 20:44:29 +02:00

ctljack.c

ALSA: declare snd_kcontrol_new structures as const

2017-05-30 10:29:25 +02:00

device.c

ALSA: core: Use %pS printk format for direct addresses

2017-09-07 10:36:02 +02:00

hrtimer.c

Merge branch 'for-next' into for-linus

2017-11-13 15:43:13 +01:00

hwdep_compat.c

[PATCH] hwdep_compat missed __user annotations

2006-10-10 15:37:21 -07:00

hwdep.c

ALSA: hwdep: prevent a harmless shift wrapping bug

2017-09-18 15:42:00 +02:00

info_oss.c

ALSA: core: Follow standard EXPORT_SYMBOL() declarations

2017-06-16 16:19:16 +02:00

info.c

ALSA: core: Follow standard EXPORT_SYMBOL() declarations

2017-06-16 16:19:16 +02:00

init.c

ALSA: add snd_card_disconnect_sync()

2017-10-11 15:06:10 +02:00

isadma.c

ALSA: core: Follow standard EXPORT_SYMBOL() declarations

2017-06-16 16:19:16 +02:00

jack.c

ALSA: fix kernel-doc build warning

2017-10-30 08:10:07 +01:00

Kconfig

ALSA: seq: Allow the modular sequencer registration

2017-06-12 08:43:33 +02:00

Makefile

License cleanup: add SPDX GPL-2.0 license identifier to files with no license

2017-11-02 11:10:55 +01:00

memalloc.c

ALSA: core: Follow standard EXPORT_SYMBOL() declarations

2017-06-16 16:19:16 +02:00

memory.c

ALSA: core: Follow standard EXPORT_SYMBOL() declarations

2017-06-16 16:19:16 +02:00

misc.c

ALSA: core: Follow standard EXPORT_SYMBOL() declarations

2017-06-16 16:19:16 +02:00

pcm_compat.c

ALSA: pcm: Fix structure definition for X32 ABI

2017-09-22 11:23:48 +02:00

pcm_dmaengine.c

ASoC: dmaengine_pcm: Add support for packed transfers

2016-04-27 17:34:11 +01:00

pcm_drm_eld.c

ALSA: pcm: use helper function to refer parameter as read-only

2017-05-17 07:24:39 +02:00

pcm_iec958.c

ALSA: pcm: Allow 32 bit sample format in IEC958 channel status helper

2016-04-06 14:33:38 -07:00

pcm_lib.c

ALSA: pcm: update tstamp only if audio_tstamp changed

2017-11-21 13:59:19 +01:00

pcm_local.h

ALSA: pcm: unify codes to operate application-side position on PCM buffer

2017-06-12 08:49:22 +02:00

pcm_memory.c

ALSA: pcm: Follow standard EXPORT_SYMBOL() declarations

2017-06-16 16:18:58 +02:00

pcm_misc.c

ALSA: pcm: Follow standard EXPORT_SYMBOL() declarations

2017-06-16 16:18:58 +02:00

pcm_native.c

ALSA: pcm: remove redundant variable runtime

2017-10-16 13:35:36 +02:00

pcm_param_trace.h

License cleanup: add SPDX GPL-2.0 license identifier to files with no license

2017-11-02 11:10:55 +01:00

pcm_timer.c

ALSA: pcm: include pcm_local.h and remove some extraneous tabs

2017-05-30 18:04:47 +02:00

pcm_trace.h

License cleanup: add SPDX GPL-2.0 license identifier to files with no license

2017-11-02 11:10:55 +01:00

pcm.c

ALSA: pcm: prevent UAF in snd_pcm_info

2017-12-05 23:28:08 +01:00

rawmidi_compat.c

ALSA: rawmidi: Fix ioctls X32 ABI

2016-02-28 17:44:51 +01:00

rawmidi.c

Merge tag 'sound-4.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

2017-07-06 10:56:51 -07:00

seq_device.c

ALSA: seq: Cancel pending autoload work at unbinding device

2017-09-12 12:41:20 +02:00

sgbuf.c

ALSA: core: Deletion of unnecessary checks before two function calls

2014-11-21 20:06:57 +01:00

sound_oss.c

ALSA: core: Follow standard EXPORT_SYMBOL() declarations

2017-06-16 16:19:16 +02:00

sound.c

ALSA: core: Follow standard EXPORT_SYMBOL() declarations

2017-06-16 16:19:16 +02:00

timer_compat.c

ALSA: timer: Remove kernel warning at compat ioctl error paths

2017-11-21 16:36:11 +01:00

timer.c

Merge branch 'for-next' into for-linus

2017-11-13 15:43:13 +01:00

vmaster.c

ALSA: hda - Fix yet remaining issue with vmaster 0dB initialization

2017-11-22 12:34:56 +01:00