VDB
CVE-2016-9921
CVE-2016-9921
PUBLISHED
CVSS 6.5 MEDIUM
Quick emulator (Qemu) built with the Cirrus CLGD 54xx VGA Emulator support is vulnerable to a divide by zero issue. It could occur while copying VGA data when cirrus graphics mode was set to be VGA. A privileged user inside guest could use this flaw to crash the Qemu process instance on the host, resulting in DoS.
EPSS 0.41% · 32.7th percentile
Risk Scores
CVSS 3.0
6.5
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
EPSS Score
0.41%
32.7th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:14.04:LTS | qemu | *, 2.0.0+dfsg-2ubuntu1.10, 2.0.0+dfsg-2ubuntu1.11 |
| Ubuntu:16.04:LTS | qemu | 1:2.4+dfsg-4ubuntu1, 1:2.4+dfsg-4ubuntu2, 1:2.4+dfsg-5ubuntu3 |
Timeline
- Dec 23, 2016 CVE Published
- Feb 4, 2022 EPSS Score
- Mar 29, 2022 EPSS Score
- May 21, 2022 EPSS Score
- Jul 13, 2022 EPSS Score
- Sep 5, 2022 EPSS Score
- Oct 29, 2022 EPSS Score
- Dec 21, 2022 EPSS Score
- Feb 12, 2023 EPSS Score
- Mar 7, 2023 EPSS Score
- Apr 6, 2023 EPSS Score
- May 29, 2023 EPSS Score
References
- https://ubuntu.com/security/CVE-2016-9921 third-party-advisory
- https://lists.gnu.org/archive/html/qemu-devel/2016-12/msg00442.html third-party-advisory
- https://ubuntu.com/security/notices/USN-3261-1 vendor-advisory
- https://www.cve.org/CVERecord?id=CVE-2016-9921 third-party-advisory