The xhci_ring_fetch function in hw/usb/hcd-xhci.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (infinite loop and QEMU process crash) by leveraging failure to limit the number of link Transfer Request Blocks (TRB) to process.<a href=http://cwe.mitre.org/data/definitions/835.html>CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop')</a>
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2016-8576
