CVE-2016-9921medium
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
http://www.securityfocus.com/bid/94803
http://www.openwall.com/lists/oss-security/2016/12/09/1
https://security.gentoo.org/glsa/201701-49
https://access.redhat.com/errata/RHSA-2017:2408
https://access.redhat.com/errata/RHSA-2017:2392
https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html
Details
Source: MITRE
Published: 2016-12-23
Updated: 2023-02-13
Type: CWE-369
Risk Information
CVSS v2
Base Score: 2.1
Vector: AV:L/AC:L/Au:N/C:N/I:N/A:P
Impact Score: 2.9
Exploitability Score: 3.9
Severity: LOW
CVSS v3
Base Score: 6.5
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
Impact Score: 4
Exploitability Score: 2
Severity: MEDIUM