Divide By Zero Affecting qemu package, versions <2.0.0+dfsg-2ubuntu1.33
Threat Intelligence
EPSS
0.06% (28th
percentile)
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Test your applications- Snyk ID SNYK-UBUNTU1404-QEMU-427184
- published 27 Mar 2017
- disclosed 27 Mar 2017
Introduced: 27 Mar 2017
CVE-2016-9922 Open this link in a new tabHow to fix?
Upgrade Ubuntu:14.04 qemu to version 2.0.0+dfsg-2ubuntu1.33 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream qemu package and not the qemu package as distributed by Ubuntu.
See How to fix? for Ubuntu:14.04 relevant fixed versions and status.
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.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2016-9922
- http://git.qemu-project.org/?p=qemu.git;a=commit;h=4299b90e9ba9ce5ca9024572804ba751aa1a7e70
- https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html
- https://security-tracker.debian.org/tracker/CVE-2016-9922
- https://lists.gnu.org/archive/html/qemu-devel/2016-12/msg00442.html
- http://www.openwall.com/lists/oss-security/2016/12/09/1
- https://bugzilla.redhat.com/show_bug.cgi?id=1334398
- https://access.redhat.com/errata/RHSA-2017:2392
- https://access.redhat.com/errata/RHSA-2017:2408
- http://www.securityfocus.com/bid/94803
- http://git.qemu-project.org/?p=qemu.git%3Ba=commit%3Bh=4299b90e9ba9ce5ca9024572804ba751aa1a7e70
- https://access.redhat.com/security/cve/CVE-2016-9922
CVSS Scores
version 3.1