CVE-2016-9922

medium

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.

References

Advisories
More

https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html

https://access.redhat.com/errata/RHSA-2017:2408

https://access.redhat.com/errata/RHSA-2017:2392

http://www.securityfocus.com/bid/94803

http://www.openwall.com/lists/oss-security/2016/12/09/1

https://lists.gnu.org/archive/html/qemu-devel/2016-12/msg00442.html

https://bugzilla.redhat.com/show_bug.cgi?id=1334398

http://git.qemu-project.org/?p=qemu.git%3Ba=commit%3Bh=4299b90e9ba9ce5ca9024572804ba751aa1a7e70

Details

Source: Mitre, NVD

Published: 2017-03-27

Updated: 2025-04-20

Risk Information

CVSS v2

Base Score: 2.1

Vector: CVSS2#AV:L/AC:L/Au:N/C:N/I:N/A:P

Severity: Low

CVSS v3

Base Score: 5.5

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Severity: Medium

EPSS

EPSS: 0.0007