CVE-2016-9922
Last modified
CVE-2016-9922 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. 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.. EPSS estimates a 0.41% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Qemu | Qemu | <= 2.7.1 | — |
| Qemu | Qemu | 2.8.0 | Rc0 |
References
- http://www.openwall.com/lists/oss-security/2016/12/09/1Mailing List, Patch, Third Party Advisory
- http://www.securityfocus.com/bid/94803Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2017:2392Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:2408Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1334398Issue Tracking, Patch
- https://lists.debian.org/debian-lts-announce/2018/09/msg00007.htmlThird Party Advisory
- https://lists.gnu.org/archive/html/qemu-devel/2016-12/msg00442.htmlPatch, Vendor Advisory
- http://www.openwall.com/lists/oss-security/2016/12/09/1Mailing List, Patch, Third Party Advisory
- http://www.securityfocus.com/bid/94803Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2017:2392Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:2408Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1334398Issue Tracking, Patch
- https://lists.debian.org/debian-lts-announce/2018/09/msg00007.htmlThird Party Advisory
- https://lists.gnu.org/archive/html/qemu-devel/2016-12/msg00442.htmlPatch, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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