Vulnerabilities
Misconfiguration
Runtime Security
Compliance
CVE Vulnerabilities

CVE-2016-9921

Divide By Zero

Published: Dec 23, 2016 | Modified: Feb 13, 2023
CVSS 3.x
6.5
MEDIUM
Source:
NVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
CVSS 2.x
2.1 LOW
AV:L/AC:L/Au:N/C:N/I:N/A:P
RedHat/V2
RedHat/V3
Ubuntu
Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2016-9921
CWEhttps://cwe.mitre.org/data/definitions/369.html

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.

Weakness

The product divides a value by zero.

Affected Software

Name Vendor Start Version End Version
Qemu Qemu * 2.7.1 (including)
Qemu Qemu 2.8.0-rc0 (including) 2.8.0-rc0 (including)
Qemu Qemu 2.8.0-rc1 (including) 2.8.0-rc1 (including)
Qemu Qemu 2.8.0-rc2 (including) 2.8.0-rc2 (including)

References

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