CVE-2016-7466

Description

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.

References

http://git.qemu.org/?p=qemu.git;a=commit;h=b53dd4495ced2432a0b652ea895e651d07336f7e

https://lists.gnu.org/archive/html/qemu-devel/2016-09/msg02773.html

http://www.securityfocus.com/bid/93029

http://www.openwall.com/lists/oss-security/2016/09/20/3

http://www.openwall.com/lists/oss-security/2016/09/19/8

http://lists.opensuse.org/opensuse-updates/2016-12/msg00140.html

https://security.gentoo.org/glsa/201611-11

https://access.redhat.com/errata/RHSA-2017:2408

https://access.redhat.com/errata/RHSA-2017:2392

Details

Risk Information

CVSS v2

CVSS v3