CVE-2016-9922

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.

Category

5.5
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.07%
Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory gnu.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://lists.gnu.org/archive/html/qemu-devel/2016-12/msg00442.html patch vendor advisory mailing list
https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html third party advisory mailing list
https://access.redhat.com/errata/RHSA-2017:2392 third party advisory vendor advisory
http://www.securityfocus.com/bid/94803 third party advisory vdb entry
https://bugzilla.redhat.com/show_bug.cgi?id=1334398 patch issue tracking
http://git.qemu-project.org/?p=qemu.git%3Ba=commit%3Bh=4299b90e9ba9ce5ca9024572804ba751aa1a7e70
https://access.redhat.com/errata/RHSA-2017:2408 third party advisory vendor advisory
http://www.openwall.com/lists/oss-security/2016/12/09/1 patch mailing list third party advisory

Frequently Asked Questions

What is the severity of CVE-2016-9922?
CVE-2016-9922 has been scored as a medium severity vulnerability.
How to fix CVE-2016-9922?
To fix CVE-2016-9922, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2016-9922 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2016-9922 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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