Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2016-9921

Quick emulator (Qemu) built with the Cirrus CLGD 54xx VGA Emulator support is vulnerable to a divide by zero issue. It could occur while copying VGA data when cirrus graphics mode was set to be VGA. A privileged user inside guest could use this flaw to crash the Qemu process instance on the host, resulting in DoS.

Published

2016-12-23T22:59:00.550

Last Modified

2025-04-12T10:46:40.837

Status

Deferred

Source

[email protected]

Severity

CVSSv3.1: 6.5 (MEDIUM)

CVSSv2 Vector

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

  • Access Vector: LOCAL
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: NONE
  • Integrity Impact: NONE
  • Availability Impact: PARTIAL
Exploitability Score

3.9

Impact Score

2.9

Weaknesses
  • Type: Primary
    CWE-369
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application qemu qemu ≤ 2.7.1 Yes
Application qemu qemu 2.8.0 Yes
Application qemu qemu 2.8.0 Yes
Application qemu qemu 2.8.0 Yes
Operating System debian debian_linux 8.0 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