USB: serial: whiteheat: fix potential slab corruption
authorJohan Hovold <johan@kernel.org>
Tue, 29 Oct 2019 10:23:53 +0000 (11:23 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 30 Oct 2019 09:06:31 +0000 (10:06 +0100)
commit1251dab9e0a2c4d0d2d48370ba5baa095a5e8774
treec54bf5a062657c38309f4096c14dbc5dbe140ab3
parent54f83b8c8ea9b22082a496deadf90447a326954e
USB: serial: whiteheat: fix potential slab corruption

Fix a user-controlled slab buffer overflow due to a missing sanity check
on the bulk-out transfer buffer used for control requests.

Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
Link: https://lore.kernel.org/r/20191029102354.2733-2-johan@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/usb/serial/whiteheat.c