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(parent: 0d18cda) | patch
USB: gadget: validate interface OS descriptor requests
authorSzymon Heidrich <szymon.heidrich@gmail.com>
Mon, 24 Jan 2022 11:14:00 +0000 (12:14 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 16 Feb 2022 11:44:52 +0000 (12:44 +0100)
commitc7ad83d561df15ac6043d3b0d783aee777cf1731
tree4ed99beb77a9dea5cdfdc19df5938193dfaf1606tree
parent0d18cda400d506e01c9c8108447c6ceddc0288f7commit | diff
USB: gadget: validate interface OS descriptor requests

commit 75e5b4849b81e19e9efe1654b30d7f3151c33c2c upstream.

Stall the control endpoint in case provided index exceeds array size of
MAX_CONFIG_INTERFACES or when the retrieved function pointer is null.

Signed-off-by: Szymon Heidrich <szymon.heidrich@gmail.com>
Cc: stable@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/usb/gadget/composite.c diff | blob | blame | history
Mirror https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git