CVE-2016-8909: The intel_hda_xfer function in hw/audio/intel-hda.c in QEMU (aka Quick Emulator) allows local guest OS admi...

Security readout for executives and security teams

CVE-2016-8909 is a QEMU denial-of-service issue in emulated Intel HDA audio handling. A privileged user inside a guest VM could trigger an infinite loop that consumes host CPU. The sources do not indicate data theft, code execution, or active exploitation. Exposure is most likely on virtualization hosts running QEMU with the Intel HDA audio device available to guests. Risk is higher in shared or multi-tenant environments where guest administrators are not fully trusted. The provided affected-product metadata is incomplete. Treat this as a reliability risk for QEMU-based virtualization, especially where tenants or separate teams administer guests. It is not presented as a breach-enabling vulnerability, but it can disrupt host capacity if exposed systems remain unpatched. Mitigation focus: Apply QEMU security updates from the relevant operating system or vendor advisory.; Review Gentoo, Red Hat, openSUSE, Debian, or upstream QEMU guidance for affected packages.; Disable virtual Intel HDA audio devices where guest audio is unnecessary..

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.