CVE-2016-9922 — Divide By Zero in Qemu

CWE-369 — Divide By Zero10 documents7 sources
Severity
5.5MEDIUMNVD
EPSS
0.1%
top 74.17%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
QemuDebian Qemu
Timeline
PublishedMar 27
Latest updateMay 13

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 vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6

Affected Packages4 packages

▶debiandebian/qemu< qemu 1:2.8+dfsg-1 (bookworm)
▶Debianqemu/qemu< 1:2.8+dfsg-1+3
▶Ubuntuqemu/qemu< 2.0.0+dfsg-2ubuntu1.33+1
▶NVDqemu/qemu2.7.1+1

Patches

Patch: www.openwall.com ↗Patch: bugzilla.redhat.com ↗Patch: lists.gnu.org ↗

🔴Vulnerability Details

3
GHSA
GHSA-83fr-598x-jggw: The cirrus_do_copy function in hw/display/cirrus_vga↗2022-05-13
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OSV
qemu vulnerabilities↗2017-04-20
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OSV
CVE-2016-9922: The cirrus_do_copy function in hw/display/cirrus_vga↗2017-03-27
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📋Vendor Advisories

3
Ubuntu
QEMU vulnerabilities↗2017-04-20
▶
Red Hat
Qemu: display: cirrus_vga: a divide by zero in cirrus_do_copy↗2016-10-18
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Debian
CVE-2016-9922: qemu - The cirrus_do_copy function in hw/display/cirrus_vga.c in QEMU (aka Quick Emulat...↗2016
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💬Community

3
Bugzilla
CVE-2016-9921 CVE-2016-9922 qemu: display: cirrus_vga: a divide by zero in cirrus_do_copy [fedora-all]↗2016-11-28
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Bugzilla
CVE-2016-9921 CVE-2016-9922 xen: Qemu: display: cirrus_vga: a divide by zero in cirrus_do_copy [fedora-all]↗2016-11-28
▶
Bugzilla
CVE-2016-9921 CVE-2016-9922 Qemu: display: cirrus_vga: a divide by zero in cirrus_do_copy↗2016-05-09
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