CVE-2016-9913: Memory leak in the v9fs_device_unrealize_common function in hw/9pfs/9p.c in QEMU (aka Quick Emulator) allow...

Security readout for executives and security teams

CVE-2016-9913 is a QEMU 9pfs memory leak that can let a privileged user inside a guest VM consume host memory and possibly crash the QEMU process. The impact is denial of service, not data theft or remote takeover based on the supplied sources. Exposure is likely limited to hosts running QEMU with 9pfs configured, especially proxy or handle backend usage. Systems not using QEMU 9pfs shared filesystem features are less likely exposed based on the supplied evidence. Treat this as a moderate operational availability risk for QEMU virtualization environments. Prioritize shared or multi-tenant hosts using 9pfs, because a guest-side privileged user could degrade host capacity or crash affected VM processes. Mitigation focus: Apply QEMU updates from your operating system or virtualization vendor.; Review Gentoo GLSA-201701-49 if using Gentoo-packaged QEMU.; Confirm your QEMU build includes the referenced upstream cleanup fix..

Prepared

Jun 13, 2026, 12:51 UTC (UTC+00:00)

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