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.
https://lists.gnu.org/archive/html/qemu-devel/2016-12/msg00442.html
https://bugzilla.redhat.com/show_bug.cgi?id=1334398
http://www.securityfocus.com/bid/94803
http://www.openwall.com/lists/oss-security/2016/12/09/1
https://access.redhat.com/errata/RHSA-2017:2408
https://access.redhat.com/errata/RHSA-2017:2392
https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html
http://git.qemu-project.org/?p=qemu.git%3Ba=commit%3Bh=4299b90e9ba9ce5ca9024572804ba751aa1a7e70
Source: MITRE
Published: 2017-03-27
Updated: 2023-02-13
Type: CWE-369
Base Score: 2.1
Vector: AV:L/AC:L/Au:N/C:N/I:N/A:P
Impact Score: 2.9
Exploitability Score: 3.9
Severity: LOW
Base Score: 5.5
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Impact Score: 3.6
Exploitability Score: 1.8
Severity: MEDIUM