CVE-2016-9922
QEMU Cirrus Graphics Denial of Service Vulnerability
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.
INFO
Published Date :
March 27, 2017, 3:59 p.m.
Last Modified :
Nov. 21, 2024, 3:02 a.m.
Source :
secalert@redhat.com
Remotely Exploitable :
No
Impact Score :
3.6
Exploitability Score :
1.8
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2016-9922.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2016-9922 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2016-9922 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
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CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference http://git.qemu-project.org/?p=qemu.git%3Ba=commit%3Bh=4299b90e9ba9ce5ca9024572804ba751aa1a7e70 Added Reference http://www.openwall.com/lists/oss-security/2016/12/09/1 Added Reference http://www.securityfocus.com/bid/94803 Added Reference https://access.redhat.com/errata/RHSA-2017:2392 Added Reference https://access.redhat.com/errata/RHSA-2017:2408 Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=1334398 Added Reference https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html Added Reference https://lists.gnu.org/archive/html/qemu-devel/2016-12/msg00442.html -
CVE Modified by secalert@redhat.com
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by secalert@redhat.com
Feb. 13, 2023
Action Type Old Value New Value Changed Description CVE-2016-9921 CVE-2016-9922 Qemu: display: cirrus_vga: a divide by zero in cirrus_do_copy 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. Removed CVSS V2 Red Hat, Inc. (AV:A/AC:M/Au:S/C:N/I:N/A:P) Removed CVSS V3 Red Hat, Inc. AV:A/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:L Removed Reference https://access.redhat.com/security/cve/CVE-2016-9922 [No Types Assigned] -
CVE Modified by secalert@redhat.com
Feb. 02, 2023
Action Type Old Value New Value Changed 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. CVE-2016-9921 CVE-2016-9922 Qemu: display: cirrus_vga: a divide by zero in cirrus_do_copy Added CVSS V2 Red Hat, Inc. (AV:A/AC:M/Au:S/C:N/I:N/A:P) Added CVSS V3 Red Hat, Inc. AV:A/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:L Removed Reference http://git.qemu-project.org/?p=qemu.git;a=commit;h=4299b90e9ba9ce5ca9024572804ba751aa1a7e70 [Issue Tracking, Patch, Third Party Advisory] Added Reference http://git.qemu-project.org/?p=qemu.git%3Ba=commit%3Bh=4299b90e9ba9ce5ca9024572804ba751aa1a7e70 [No Types Assigned] Added Reference https://access.redhat.com/security/cve/CVE-2016-9922 [No Types Assigned] -
Modified Analysis by nvd@nist.gov
Nov. 10, 2020
Action Type Old Value New Value Removed CVSS V3 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Changed Reference Type https://access.redhat.com/errata/RHSA-2017:2392 No Types Assigned https://access.redhat.com/errata/RHSA-2017:2392 Third Party Advisory Changed Reference Type https://access.redhat.com/errata/RHSA-2017:2408 No Types Assigned https://access.redhat.com/errata/RHSA-2017:2408 Third Party Advisory Changed Reference Type https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html No Types Assigned https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html Third Party Advisory Changed CPE Configuration OR *cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:* OR *cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:* versions up to (including) 2.7.1 *cpe:2.3:a:qemu:qemu:2.8.0:rc0:*:*:*:*:*:* *cpe:2.3:a:qemu:qemu:2.8.0:rc1:*:*:*:*:*:* *cpe:2.3:a:qemu:qemu:2.8.0:rc2:*:*:*:*:*:* -
CVE Modified by secalert@redhat.com
Sep. 07, 2018
Action Type Old Value New Value Added Reference https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html [No Types Assigned] -
CVE Modified by secalert@redhat.com
Jan. 05, 2018
Action Type Old Value New Value Added Reference https://access.redhat.com/errata/RHSA-2017:2408 [No Types Assigned] Added Reference https://access.redhat.com/errata/RHSA-2017:2392 [No Types Assigned] -
Initial Analysis by nvd@nist.gov
Mar. 31, 2017
Action Type Old Value New Value Added CVSS V2 (AV:L/AC:L/Au:N/C:N/I:N/A:P) Added CVSS V3 AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Changed Reference Type http://git.qemu-project.org/?p=qemu.git;a=commit;h=4299b90e9ba9ce5ca9024572804ba751aa1a7e70 No Types Assigned http://git.qemu-project.org/?p=qemu.git;a=commit;h=4299b90e9ba9ce5ca9024572804ba751aa1a7e70 Issue Tracking, Patch, Third Party Advisory Changed Reference Type http://www.openwall.com/lists/oss-security/2016/12/09/1 No Types Assigned http://www.openwall.com/lists/oss-security/2016/12/09/1 Mailing List, Patch, Third Party Advisory Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=1334398 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=1334398 Issue Tracking, Patch Changed Reference Type https://lists.gnu.org/archive/html/qemu-devel/2016-12/msg00442.html No Types Assigned https://lists.gnu.org/archive/html/qemu-devel/2016-12/msg00442.html Patch, Vendor Advisory Changed Reference Type http://www.securityfocus.com/bid/94803 No Types Assigned http://www.securityfocus.com/bid/94803 Third Party Advisory, VDB Entry Added CWE CWE-369 Added CPE Configuration OR *cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2016-9922 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2016-9922
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.07 }} -0.02%
score
0.18462
percentile