Vulnerability Monitor

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CVE-2016-7466

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.

Published

2016-12-10T00:59:19.840

Last Modified

2025-04-12T10:46:40.837

Status

Deferred

Source

[email protected]

Severity

CVSSv3.1: 6.0 (MEDIUM)

CVSSv2 Vector

AV:L/AC:M/Au:N/C:N/I:N/A:P

Access Vector: LOCAL
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: PARTIAL

Exploitability Score

3.4

Impact Score

2.9

Weaknesses

Type: Primary
CWE-772

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	qemu	qemu	≤ 2.7.1	Yes
Operating System	opensuse	leap	42.2	Yes
Application	redhat	openstack	6.0	Yes
Application	redhat	openstack	7.0	Yes
Application	redhat	openstack	8	Yes
Application	redhat	openstack	9	Yes
Application	redhat	openstack	10	Yes
Application	redhat	openstack	11	Yes
Application	redhat	virtualization	4.0	Yes
Operating System	redhat	enterprise_linux	7.0	No

References

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