Qemu emulator built with the USB EHCI emulation support is vulnerable to a null pointer dereference flaw. It could occur when an application attempts to write to EHCI capabilities registers. http://ala-git.wrs.com/cgit/oe-core/commit/?h=wr-7.0-20141118&id=33e2f8dfb8302fe448890bf82ae5f23d872fc21d http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2016-2198