]> git.proxmox.com Git - mirror_ubuntu-bionic-kernel.git/commit
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)
committerKleber Sacilotto de Souza <kleber.souza@canonical.com>
Tue, 17 Sep 2019 16:02:18 +0000 (18:02 +0200)
commitef0de3035d219f900925c28531bdb8c91c4dcd0c
tree5774cb7a4fadeafa5e3446edadd502f4ab453be6
parent7affbd14115beee333020776b792707457da4c63
can: peak_usb: pcan_usb_fd: Fix info-leaks to USB devices

BugLink: https://bugs.launchpad.net/bugs/1840520
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>
Signed-off-by: Kamal Mostafa <kamal@canonical.com>
Signed-off-by: Kleber Sacilotto de Souza <kleber.souza@canonical.com>
drivers/net/can/usb/peak_usb/pcan_usb_fd.c