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authorAdrian Knoth <adi@drcomp.erfurt.thur.de>2011-02-23 11:43:14 +0100
committerTakashi Iwai <tiwai@suse.de>2011-02-23 15:46:29 +0100
commit4ab69a2b3b84415085d261bcf848b7a95c010c9d (patch)
treefb590d9c1a9158c686dd4eee1c7a728c4734f30b /MAINTAINERS
parent7c4a95b5ec484244fc615be7b9f56c267c51ade6 (diff)
downloadop-kernel-dev-4ab69a2b3b84415085d261bcf848b7a95c010c9d.zip
op-kernel-dev-4ab69a2b3b84415085d261bcf848b7a95c010c9d.tar.gz
ALSA: hdspm - prevent reading unitialized stack memory
Original patch by Dan Rosenberg <drosenberg@vsecurity.com> under commit e68d3b316ab7b02a074edc4f770e6a746390cb7d. I'm copying his text here: The SNDRV_HDSPM_IOCTL_GET_CONFIG_INFO ioctl in hdspm.c allow unprivileged users to read uninitialized kernel stack memory, because several fields of the hdspm_config struct declared on the stack are not altered or zeroed before being copied back to the user. This patch takes care of it. Signed-off-by: Adrian Knoth <adi@drcomp.erfurt.thur.de> Signed-off-by: Takashi Iwai <tiwai@suse.de>
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