Medium severity6.5NVD Advisory· Published Dec 23, 2016· Updated May 6, 2026
CVE-2016-9921
CVE-2016-9921
Description
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.
Affected products
12cpe:2.3:a:redhat:openstack:10:*:*:*:*:*:*:*+ 5 more
- cpe:2.3:a:redhat:openstack:10:*:*:*:*:*:*:*
- cpe:2.3:a:redhat:openstack:11:*:*:*:*:*:*:*
- 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:virtualization:4.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
6- www.openwall.com/lists/oss-security/2016/12/09/1nvdMailing ListPatchThird Party Advisory
- www.securityfocus.com/bid/94803nvdThird Party AdvisoryVDB Entry
- access.redhat.com/errata/RHSA-2017:2392nvdThird Party Advisory
- access.redhat.com/errata/RHSA-2017:2408nvdThird Party Advisory
- lists.debian.org/debian-lts-announce/2018/09/msg00007.htmlnvdMailing ListThird Party Advisory
- security.gentoo.org/glsa/201701-49nvdThird Party Advisory
News mentions
0No linked articles in our index yet.