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usbtmc: more sanity checking for packet size
authorOliver Neukum <oneukum@suse.com>
Tue, 20 Aug 2019 09:28:25 +0000 (11:28 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 6 Sep 2019 08:23:39 +0000 (10:23 +0200)
commit7300afed03340a3ecc787142c861c10d4353bf9c
tree1d0c752e462599615ec8bff70f0c8b9b92e56fadtree | snapshot
parente56b7b3b92561a4284f4f93a4648890f477aeac8commit | diff
usbtmc: more sanity checking for packet size

commit de7b9aa633b693e77942e12f1769506efae6917b upstream.

A malicious device can make the driver divide ny zero
with a nonsense maximum packet size.

Signed-off-by: Oliver Neukum <oneukum@suse.com>
Cc: stable <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20190820092826.17694-1-oneukum@suse.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/usb/class/usbtmc.c diff | blob | blame | history
Mirror https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git