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.

References

https://security.gentoo.org/glsa/201701-49

https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html

https://access.redhat.com/errata/RHSA-2017:2408

https://access.redhat.com/errata/RHSA-2017:2392

http://www.securityfocus.com/bid/94803

http://www.openwall.com/lists/oss-security/2016/12/09/1

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3