The rtl8139_cplus_transmit function in hw/net/rtl8139.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (infinite loop and CPU consumption) by leveraging failure to limit the ring descriptor count.<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-2016-8910