Attacker Value
Unknown
(0 users assessed)
Exploitability
Unknown
(0 users assessed)
User Interaction
None
Privileges Required
High
Attack Vector
Local
0

CVE-2016-7466

Disclosure Date: December 10, 2016
Add MITRE ATT&CK tactics and techniques that apply to this CVE.

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 Severity and Metrics
Base Score:
6.0 Medium
Impact Score:
4
Exploitability Score:
1.5
Vector:
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
Attack Vector (AV):
Local
Attack Complexity (AC):
Low
Privileges Required (PR):
High
User Interaction (UI):
None
Scope (S):
Changed
Confidentiality (C):
None
Integrity (I):
None
Availability (A):
High

General Information

Vendors

  • opensuse,
  • qemu,
  • redhat

Products

  • leap 42.2,
  • openstack 10,
  • openstack 11,
  • openstack 6.0,
  • openstack 7.0,
  • openstack 8,
  • openstack 9,
  • qemu,
  • virtualization 4.0
Technical Analysis