Divide By Zero Affecting qemu package, versions <1:2.8+dfsg-1
Snyk CVSS
Attack Complexity
Low
Availability
High
Threat Intelligence
EPSS
0.06% (26th
percentile)
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Test your applications- Snyk ID SNYK-DEBIAN10-QEMU-427183
- 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 Debian:10
qemu
to version 1:2.8+dfsg-1 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 Debian
.
See How to fix?
for Debian:10
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
- https://security-tracker.debian.org/tracker/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://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://people.ubuntu.com/~ubuntu-security/cve/CVE-2016-9922
- http://git.qemu-project.org/?p=qemu.git%3Ba=commit%3Bh=4299b90e9ba9ce5ca9024572804ba751aa1a7e70
- https://access.redhat.com/security/cve/CVE-2016-9922