Vulnerabilities
Misconfiguration
Compliance
CVE Vulnerabilities

CVE-2016-9922

Divide By Zero

Published: Mar 27, 2017 | Modified: Apr 20, 2025
CVSS 3.x
5.5
MEDIUM
Source:
NVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/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
2.3 LOW
AV:A/AC:M/Au:S/C:N/I:N/A:P
RedHat/V3
3 LOW
CVSS:3.0/AV:A/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:L
Ubuntu
LOW
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Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2016-9922
CWEhttps://cwe.mitre.org/data/definitions/369.html

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.

Weakness

The product divides a value by zero.

Affected Software

NameVendorStart VersionEnd Version
QemuQemu*2.7.1 (including)
QemuQemu2.8.0-rc0 (including)2.8.0-rc0 (including)
QemuQemu2.8.0-rc1 (including)2.8.0-rc1 (including)
QemuQemu2.8.0-rc2 (including)2.8.0-rc2 (including)
Red Hat Enterprise Linux OpenStack Platform 6.0 (Juno) for RHEL 7RedHatqemu-kvm-rhev-10:2.9.0-10.el7*
Red Hat Enterprise Linux OpenStack Platform 7.0 (Kilo) for RHEL 7RedHatqemu-kvm-rhev-10:2.9.0-10.el7*
Red Hat OpenStack Platform 10.0 (Newton)RedHatqemu-kvm-rhev-10:2.9.0-10.el7*
Red Hat OpenStack Platform 11.0 (Ocata)RedHatqemu-kvm-rhev-10:2.9.0-10.el7*
Red Hat OpenStack Platform 8.0 (Liberty)RedHatqemu-kvm-rhev-10:2.9.0-10.el7*
Red Hat OpenStack Platform 9.0 (Mitaka)RedHatqemu-kvm-rhev-10:2.9.0-10.el7*
Red Hat Virtualization 4 for Red Hat Enterprise Linux 7RedHatqemu-kvm-rhev-10:2.9.0-14.el7*
QemuUbuntuesm-infra-legacy/trusty*
QemuUbuntuesm-infra/xenial*
QemuUbuntutrusty*
QemuUbuntutrusty/esm*
QemuUbuntuupstream*
QemuUbuntuxenial*
QemuUbuntuyakkety*
Qemu-kvmUbuntuprecise*
Qemu-kvmUbuntuprecise/esm*
Qemu-kvmUbuntuupstream*

References

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