CVE-2016-7466

Published: 21 September 2016

Memory leak in the usb_xhci_exit function in hw/usb/hcd-xhci.c in QEMU (aka Quick Emulator), when the xhci uses msix, allows local guest OS administrators to cause a denial of service (memory consumption and possibly QEMU process crash) by repeatedly unplugging a USB device.

Priority

Low

CVSS 3 base score: 6.0

Status

Package Release Status
qemu
Launchpad, Ubuntu, Debian
Upstream Needs triage

Ubuntu 16.04 LTS (Xenial Xerus)
Released (1:2.5+dfsg-5ubuntu10.6)
Ubuntu 14.04 ESM (Trusty Tahr) Not vulnerable
(code not present)
Patches:
Upstream: http://git.qemu.org/?p=qemu.git;a=commit;h=b53dd4495ced2432a0b652ea895e651d07336f7e
qemu-kvm
Launchpad, Ubuntu, Debian
Upstream Needs triage

Ubuntu 16.04 LTS (Xenial Xerus) Does not exist

Ubuntu 14.04 ESM (Trusty Tahr) Does not exist