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(parent: db19395) | patch
cdrom: Fix info leak/OOB read in cdrom_ioctl_drive_status
authorScott Bauer <scott.bauer@intel.com>
Thu, 26 Apr 2018 17:51:08 +0000 (11:51 -0600)
committerJens Axboe <axboe@kernel.dk>
Wed, 29 Aug 2018 14:09:20 +0000 (08:09 -0600)
commit8f3fafc9c2f0ece10832c25f7ffcb07c97a32ad4
tree8826e741ea9a4487fa282c99dc66bfa752e9884atree
parentdb193954ed9e35701b6e489fa4cc97b08589341bcommit | diff
cdrom: Fix info leak/OOB read in cdrom_ioctl_drive_status

Like d88b6d04: "cdrom: information leak in cdrom_ioctl_media_changed()"

There is another cast from unsigned long to int which causes
a bounds check to fail with specially crafted input. The value is
then used as an index in the slot array in cdrom_slot_status().

Signed-off-by: Scott Bauer <scott.bauer@intel.com>
Signed-off-by: Scott Bauer <sbauer@plzdonthack.me>
Cc: stable@vger.kernel.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
drivers/cdrom/cdrom.c diff | blob | blame | history
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