CVE-2016-7466

MediumCVSS 6.0/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 6.0/10CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H

Weakness enumeration

CWE-772

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=b53dd4495ced2432a0b652ea895e651d07336f7e
http://lists.opensuse.org/opensuse-updates/2016-12/msg00140.htmlMailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/09/19/8Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/09/20/3Mailing List, Third Party Advisory
http://www.securityfocus.com/bid/93029Third Party Advisory, VDB Entry
https://access.redhat.com/errata/RHSA-2017:2392Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:2408Third Party Advisory
https://lists.gnu.org/archive/html/qemu-devel/2016-09/msg02773.htmlPatch, Third Party Advisory
https://security.gentoo.org/glsa/201611-11Third Party Advisory
http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=b53dd4495ced2432a0b652ea895e651d07336f7e
http://lists.opensuse.org/opensuse-updates/2016-12/msg00140.htmlMailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/09/19/8Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/09/20/3Mailing List, Third Party Advisory
http://www.securityfocus.com/bid/93029Third Party Advisory, VDB Entry
https://access.redhat.com/errata/RHSA-2017:2392Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:2408Third Party Advisory
https://lists.gnu.org/archive/html/qemu-devel/2016-09/msg02773.htmlPatch, Third Party Advisory
https://security.gentoo.org/glsa/201611-11Third Party Advisory

Timeline

Published: Dec 10, 2016
Last modified: Jun 17, 2026
NVD status: Modified

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