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(parent: fb6360b) | patch
cdrom: fix improper type cast, which can leat to information leak.
authorYoung_X <YangX92@hotmail.com>
Wed, 3 Oct 2018 12:54:29 +0000 (12:54 +0000)
committerJens Axboe <axboe@kernel.dk>
Wed, 3 Oct 2018 16:20:40 +0000 (10:20 -0600)
commite4f3aa2e1e67bb48dfbaaf1cad59013d5a5bc276
treefe85b2c9966c3d9ec4721a2a73d308f7444d7db8tree | snapshot
parentfb6360b1ef33b7799e6a81e1075a47e3b8ae01fdcommit | diff
cdrom: fix improper type cast, which can leat to information leak.

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().

This issue is similar to CVE-2018-16658 and CVE-2018-10940.

Signed-off-by: Young_X <YangX92@hotmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
drivers/cdrom/cdrom.c diff | blob | history
Domain: System / Kernel;