Vulnerability in Qemu
CVE-2016-9922
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.004 (33.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 33rd percentile — 33.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Qemu — versions 2.8.0
Weakness classification (CWE)
References
- lists.gnu.org/archive/html/qemu-devel/2016-12/msg00442.html (Vendor Advisory, mailing-list, Patch)
- lists.debian.org/debian-lts-announce/2018/09/msg00007.html (mailing-list, Third Party Advisory)
- access.redhat.com/errata/RHSA-2017:2392 (vendor-advisory, Third Party Advisory)
- www.securityfocus.com/bid/94803 (VDB Entry, Third Party Advisory, vdb-entry)
- bugzilla.redhat.com/show_bug.cgi (Patch, Issue Tracking)
- git.qemu-project.org/
- access.redhat.com/errata/RHSA-2017:2408 (vendor-advisory, Third Party Advisory)
- www.openwall.com/lists/oss-security/2016/12/09/1 (mailing-list, Patch, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2016-9922?
- CVE-2016-9922 is a medium-severity vulnerability in Qemu, classified under Divide By Zero. CVSS score: 5.5/10. Published 2017-03-27.
- How severe is CVE-2016-9922?
- Medium severity. CVSS v3 base score is 5.5 out of 10.