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can: peak_usb: pcan_usb_fd: Fix info-leaks to USB devices
authorTomas Bortoli <tomasbortoli@gmail.com>
Wed, 31 Jul 2019 14:54:47 +0000 (10:54 -0400)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sun, 25 Aug 2019 08:51:37 +0000 (10:51 +0200)
commit127ab64c38e21c55adf8781ca92f7dc9d1a9903e
tree4cbcc7b66992f42bef60cbbc6440b4c171aa7909tree | snapshot (tar.gz zip)
parent0cad79bfb5aa596b9449fe66b0edf69a8344326ccommit | diff
can: peak_usb: pcan_usb_fd: Fix info-leaks to USB devices

commit 30a8beeb3042f49d0537b7050fd21b490166a3d9 upstream.

Uninitialized Kernel memory can leak to USB devices.

Fix by using kzalloc() instead of kmalloc() on the affected buffers.

Signed-off-by: Tomas Bortoli <tomasbortoli@gmail.com>
Reported-by: syzbot+513e4d0985298538bf9b@syzkaller.appspotmail.com
Fixes: 0a25e1f4f185 ("can: peak_usb: add support for PEAK new CANFD USB adapters")
Cc: linux-stable <stable@vger.kernel.org>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/net/can/usb/peak_usb/pcan_usb_fd.c diff | blob | blame | history