CVE-2016-9921
Medium
Description
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.
SeverityMedium
CVSS6.5
Exploit probability—
Product
Qemu
PublishedDec 23, 2016
First seenDec 23, 2016
How to fix
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| qemu qemu | v ≤ 2.7.1, 2.8.0 | — |
| debian debian_linux | 8.0 | — |
| redhat openstack | 6.0, 7.0, 8, 9, 10, 11 | — |
| redhat virtualization | 4.0 | — |
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