CVE-2016-7466

6.0 MEDIUM
Published: December 10, 2016 Modified: May 06, 2026
View on NVD

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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=b53dd4495ced2432a0b652ea895e651d07336f7e
Source: secalert@redhat.com
http://lists.opensuse.org/opensuse-updates/2016-12/msg00140.html
Source: secalert@redhat.com
Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/09/19/8
Source: secalert@redhat.com
Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/09/20/3
Source: secalert@redhat.com
Mailing List Third Party Advisory
http://www.securityfocus.com/bid/93029
Source: secalert@redhat.com
Third Party Advisory VDB Entry
https://access.redhat.com/errata/RHSA-2017:2392
Source: secalert@redhat.com
Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:2408
Source: secalert@redhat.com
Third Party Advisory
https://lists.gnu.org/archive/html/qemu-devel/2016-09/msg02773.html
Source: secalert@redhat.com
Patch Third Party Advisory
https://security.gentoo.org/glsa/201611-11
Source: secalert@redhat.com
Third Party Advisory
http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=b53dd4495ced2432a0b652ea895e651d07336f7e
Source: af854a3a-2127-422b-91ae-364da2661108
http://lists.opensuse.org/opensuse-updates/2016-12/msg00140.html
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/09/19/8
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/09/20/3
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
http://www.securityfocus.com/bid/93029
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory VDB Entry
https://access.redhat.com/errata/RHSA-2017:2392
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:2408
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://lists.gnu.org/archive/html/qemu-devel/2016-09/msg02773.html
Source: af854a3a-2127-422b-91ae-364da2661108
Patch Third Party Advisory
https://security.gentoo.org/glsa/201611-11
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory

18 reference(s) from NVD

Quick Stats

CVSS v3 Score
6.0 / 10.0
EPSS (Exploit Probability)
0.1%
26th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

CWE-772

Affected Vendors

opensuse redhat qemu

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