CVE-2016-7466

Advisory lineage Upstream: 0 Downstream: 8
Modified
Published: 10 Dec 2016, 00:00
Last modified:06 Aug 2024, 01:57

Vulnerability Summary

Overall Risk (default)
low
24/100
CVSS Score
6 MEDIUM
v3.1 (nvd)
EPSS Score
0.09% LOW
0% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

10 Dec 2016, 00:00
Published
Vulnerability first disclosed
06 Aug 2024, 01:57
Last Modified
Vulnerability information updated

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.

CVSS Metrics

  • v3.1•MEDIUM•Score: 6CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
  • v2.0•LOW•Score: 1.9AV:L/AC:M/Au:N/C:N/I:N/A:P

EPSS Trends

Current EPSS score: 0.09%• Percentile: 26%

Techniques & Countermeasures

  • CWE-772•Missing Release of Resource after Effective Lifetime

    The product does not release a resource after its effective lifetime has ended, i.e., after the resource is no longer needed.

Affected Systems

  • opensuse•leap

    42.2

  • qemu•qemu

    ≤ 2.7.1

  • redhat•openstack

    6.0 | 7.0 | 8 | 9 | 10 | 11

  • redhat•virtualization

    4.0

References (9)