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VULNERABILITIES

CVE-2016-7422 Details

Description

The virtqueue_map_desc function in hw/virtio/virtio.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (NULL pointer dereference and QEMU process crash) via a large I/O descriptor buffer length value.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:6 MEDIUMVector: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

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URLSource(s)Tag(s)
http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=973e7170dddefb491a48df5cba33b2ae151013a0 CVE
http://lists.opensuse.org/opensuse-updates/2016-12/msg00140.html CVEMailing ListThird Party Advisory
https://access.redhat.com/errata/RHSA-2017:2392 CVEThird Party Advisory
https://access.redhat.com/errata/RHSA-2017:2408 CVEThird Party Advisory
https://lists.gnu.org/archive/html/qemu-devel/2016-09/msg03546.html CVEPatchThird Party Advisory

see all 18 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')[email protected]

Affected Products

ProductVersions
qemu qemu
<= 2.7.1

CPE

  • cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.
opensuse leap
42.2

CPE

  • cpe:2.3:o:opensuse:leap:42.2:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.
redhat openstack
6.0
7.0
8
9
10

CPE

  • cpe:2.3:a:redhat:openstack:6.0:*:*:*:*:*:*:*
  • cpe:2.3:a:redhat:openstack:7.0:*:*:*:*:*:*:*
  • cpe:2.3:a:redhat:openstack:8:*:*:*:*:*:*:*
  • cpe:2.3:a:redhat:openstack:9:*:*:*:*:*:*:*
  • cpe:2.3:a:redhat:openstack:10:*:*:*:*:*:*:*
  • cpe:2.3:a:redhat:openstack:11:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.
redhat virtualization
4.0

CPE

  • cpe:2.3:a:redhat:virtualization:4.0:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.
redhat enterprise linux
7.0

CPE

  • cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

14 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2016-7422
NVD Published Date:
Dec 10, 2016
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2016-7422 Details - Not Deferred