CVE-2016-2841: The ne2000_receive function in the NE2000 NIC emulation support (hw/net/ne2000.c) in QEMU before 2.5.1 allo...

Security readout for executives and security teams

This flaw lets an administrator inside a guest VM crash the QEMU process when that VM uses QEMU's emulated NE2000 network card. The expected business impact is denial of service for affected virtual machines, not proven host takeover. It matters most where untrusted tenants or delegated guest administrators can control VM internals. Exposure is likely limited to systems running QEMU before 2.5.1 with NE2000 NIC emulation enabled. Risk is higher in multi-tenant virtualization, labs, or hosting environments where guest administrators are not fully trusted. Treat this as a targeted availability risk. It is not presented as remote code execution or host compromise, but it can disrupt affected VMs where untrusted guest administrators exist. Patch during the next virtualization maintenance window, sooner for shared hosting or tenant-controlled workloads. Mitigation focus: Upgrade QEMU to 2.5.1 or a vendor-supported fixed package.; Apply relevant distribution advisories from Ubuntu, Gentoo, Debian, or your platform vendor.; Avoid NE2000 emulated NICs for untrusted guests where operationally feasible..

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.