CVE-2016-1889 Integer overflow in n/a

High 7.8 Published 15 Feb 2017 Updated 5 Aug 2024

Local attackers can escalate privileges in FreeBSD bhyve hypervisor via crafted device descriptors when large guest memory is configured.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2016-1889?

CVE-2016-1889 is a high-severity vulnerability in Freebsd Freebsd, published on 15 Feb 2017. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

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.

Weakness: CWE-190

Which versions are affected by CVE-2016-1889?

It affects 1 product.

Products include Freebsd Freebsd.

How do I fix CVE-2016-1889?

No fix has been published for CVE-2016-1889 yet. Limit exposure of the affected software until one is available.

Is CVE-2016-1889 being exploited?

There is no known exploitation of CVE-2016-1889 in the wild and no public exploit code.

All Freebsd Freebsd vulnerabilities

Sources

Also known as GHSA-5whh-349v-fp8m.