Vulnerability Database

289,599

Total vulnerabilities in the database

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: Dec 23, 2016
  • Updated: Apr 13, 2023
  • CVE: CVE-2016-9921
  • Severity: Medium
  • Exploit:

CVSS v3:

  • Severity: Medium
  • Score: 6.5
  • AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H

CVSS v2:

  • Severity: Low
  • Score: 2.1
  • AV:L/AC:L/Au:N/C:N/I:N/A:P

CWEs:

Software From Fixed in
qemu / qemu - 2.7.1.x
qemu / qemu 2.8.0-rc0 2.8.0-rc0.x
qemu / qemu 2.8.0-rc1 2.8.0-rc1.x
qemu / qemu 2.8.0-rc2 2.8.0-rc2.x
debian / debian_linux 8.0 8.0.x
redhat / openstack 7.0 7.0.x
redhat / openstack 6.0 6.0.x
redhat / openstack 10 10.x
redhat / openstack 9 9.x
redhat / openstack 8 8.x
redhat / openstack 11 11.x
redhat / virtualization 4.0 4.0.x