CVE-2016-8910: The rtl8139_cplus_transmit function in hw/net/rtl8139.c in QEMU (aka Quick Emulator) allows local guest OS...

Security readout for executives and security teams

CVE-2016-8910 is a QEMU denial-of-service flaw in the emulated RTL8139 network device. A privileged user inside a guest VM could make the host spend CPU in an infinite loop, potentially affecting service availability for that host or other workloads. Exposure is most likely on virtualization hosts running vulnerable QEMU builds with guests using the emulated RTL8139 network adapter. The attacker position described is local guest OS administrator, so shared hosting, lab, appliance, and multi-tenant virtualization environments have the clearest business relevance. Treat as a medium-priority availability issue. It is not described as data theft or remote compromise, but a guest administrator could affect host capacity. Patch vulnerable QEMU hosts, especially where guests are untrusted or managed by different teams. Mitigation focus: Apply QEMU security updates from the operating system or vendor advisory channel.; Prioritize hosts running untrusted or separately administered guest VMs.; Check vendor guidance for affected package versions and backported fixes..

Prepared

Jun 13, 2026, 13:16 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.