CVE-2016-9922

Name: CVE-2016-9922
Creator: NVD / NIST
Published: 2017-03-27T15:59:00.327+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.41%

Last modified Jun 17, 2026

CVE-2016-9922 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. The cirrus_do_copy function in hw/display/cirrus_vga.c in QEMU (aka Quick Emulator), when cirrus graphics mode is VGA, allows local guest OS privileged users to cause a denial of service (divide-by-zero error and QEMU process crash) via vectors involving blit pitch values.. EPSS estimates a 0.41% chance of exploitation in the next 30 days.

Description

The cirrus_do_copy function in hw/display/cirrus_vga.c in QEMU (aka Quick Emulator), when cirrus graphics mode is VGA, allows local guest OS privileged users to cause a denial of service (divide-by-zero error and QEMU process crash) via vectors involving blit pitch values.

Metrics

CVSS 3.1

5.5/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

0.41%

32.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-369

Affected Software

Vendor	Product	Versions	Update
Qemu	Qemu	<= 2.7.1	—
Qemu	Qemu	2.8.0	Rc0

References

http://git.qemu-project.org/?p=qemu.git%3Ba=commit%3Bh=4299b90e9ba9ce5ca9024572804ba751aa1a7e70
http://www.openwall.com/lists/oss-security/2016/12/09/1Mailing List, Patch, Third Party Advisory
http://www.securityfocus.com/bid/94803Third Party Advisory, VDB Entry
https://access.redhat.com/errata/RHSA-2017:2392Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:2408Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1334398Issue Tracking, Patch
https://lists.debian.org/debian-lts-announce/2018/09/msg00007.htmlThird Party Advisory
https://lists.gnu.org/archive/html/qemu-devel/2016-12/msg00442.htmlPatch, Vendor Advisory
http://git.qemu-project.org/?p=qemu.git%3Ba=commit%3Bh=4299b90e9ba9ce5ca9024572804ba751aa1a7e70
http://www.openwall.com/lists/oss-security/2016/12/09/1Mailing List, Patch, Third Party Advisory
http://www.securityfocus.com/bid/94803Third Party Advisory, VDB Entry
https://access.redhat.com/errata/RHSA-2017:2392Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:2408Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1334398Issue Tracking, Patch
https://lists.debian.org/debian-lts-announce/2018/09/msg00007.htmlThird Party Advisory
https://lists.gnu.org/archive/html/qemu-devel/2016-12/msg00442.htmlPatch, Vendor Advisory

Timeline

Published: Mar 27, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2016-9922?

How severe is CVE-2016-9922?

CVE-2016-9922 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.41% probability of exploitation in the next 30 days.

How do I fix CVE-2016-9922?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2016-9922?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST