CVE-2016-9922
Qemu: display: cirrus_vga: a divide by zero in cirrus_do_copy
Severity
LowRed Hat Product Security
CVSS 3.0
Review impact separately from score.
Published · October 18, 2016
Updated · June 28, 2026
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.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.0 · 3CVSS:3.0/AV:A/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:L
CVSS 2.0 · 2.3AV:A/AC:M/Au:S/C:N/I:N/A:P
CWE-369 · Divide By Zero