James Patrick-Evans 785ef73dba [media] airspy: fix error logic during device register ... This patch addresses CVE-2016-5400, a local DOS vulnerability caused by a memory leak in the airspy usb device driver. The vulnerability is triggered when more than 64 usb devices register with v4l2 of type VFL_TYPE_SDR or VFL_TYPE_SUBDEV.A badusb device can emulate 64 of these devices then through continual emulated connect/disconnect of the 65th device, cause the kernel to run out of RAM and crash the kernel. The vulnerability exists in kernel versions from 3.17 to current 4.7. The memory leak is caused by the probe function of the airspy driver mishandeling errors and not freeing the corresponding control structures when an error occours registering the device to v4l2 core. Signed-off-by: James Patrick-Evans <james@jmp-e.com> Cc: stable@vger.kernel.org # Up to Kernel 3.17 Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>		2016-07-15 13:32:21 -03:00
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airspy.c	[media] airspy: fix error logic during device register	2016-07-15 13:32:21 -03:00
Kconfig
Makefile