CVE-2016-1881 Privilege escalation in n/a

High 7.8 Published 15 Feb 2017 Updated 5 Aug 2024

Local attackers can crash the system or gain privileges via a crafted Linux compatibility layer setgroups system call in the FreeBSD kernel.

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-2016-1881?

CVE-2016-1881 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

The kernel in FreeBSD 9.3, 10.1, and 10.2 allows local users to cause a denial of service (crash) or potentially gain privilege via a crafted Linux compatibility layer setgroups system call.

Weakness: CWE-264

Which versions are affected by CVE-2016-1881?

It affects 1 product.

Products include Freebsd Freebsd.

How do I fix CVE-2016-1881?

No fix has been published for CVE-2016-1881 yet. Limit exposure of the affected software until one is available.

Is CVE-2016-1881 being exploited?

There is no known exploitation of CVE-2016-1881 in the wild and no public exploit code.

All Freebsd Freebsd vulnerabilities

Sources

Also known as GHSA-87v3-9mj6-64j7.