CVE-2016-1889: Integer Overflow
First published: Wed Feb 15 2017(Updated: )
Integer overflow in the bhyve hypervisor in FreeBSD 10.1, 10.2, 10.3, and 11.0 when configured with a large amount of guest memory, allows local users to gain privilege via a crafted device descriptor.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| FreeBSD Kernel | =10.1 | |
| FreeBSD Kernel | =10.2 | |
| FreeBSD Kernel | =10.3 | |
| FreeBSD Kernel | =11.0 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2016-1889?
CVE-2016-1889 has a medium severity rating due to the potential for local users to gain privileges.
How do I fix CVE-2016-1889?
To fix CVE-2016-1889, update to a patched version of FreeBSD that addresses this vulnerability.
Which FreeBSD versions are affected by CVE-2016-1889?
CVE-2016-1889 affects FreeBSD versions 10.1, 10.2, 10.3, and 11.0.
What type of attack does CVE-2016-1889 enable?
CVE-2016-1889 enables local privilege escalation through a crafted device descriptor.
Who can exploit CVE-2016-1889?
Local users with access to the FreeBSD system can exploit CVE-2016-1889 to gain elevated privileges.
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