CVE-2016-2392: The is_rndis function in the USB Net device emulator (hw/usb/dev-network.c) in QEMU before 2.5.1 does not p...

Security readout for executives and security teams

This QEMU flaw can let an administrator inside a virtual machine crash the QEMU process by abusing USB network emulation handling. The known impact is denial of service, not data theft or code execution. Business urgency is highest where old QEMU builds run untrusted or customer-controlled guest systems. Exposure is most likely in virtualization environments still running QEMU before 2.5.1 or unfixed vendor packages, especially where guest administrators are not fully trusted and USB Net/RNDIS emulation is available. Treat as a targeted availability risk for legacy virtualization infrastructure. Prioritize patching systems hosting untrusted guests or customer-managed VMs, but do not rank it like a remote code execution issue based on current evidence. Mitigation focus: Upgrade QEMU to 2.5.1 or later where applicable.; Apply fixed distribution packages from Ubuntu, Gentoo, Debian, or vendor advisories.; Check Red Hat or platform vendor guidance for affected packaged versions..

Prepared

Jun 13, 2026, 14:22 UTC (UTC+00:00)

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