CVE-2016-3156 Denial of service in n/a

What is CVE-2016-3156?

CVE-2016-3156 is a medium-severity denial of service vulnerability in Canonical Ubuntu Linux, published on 27 Apr 2016. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

The IPv4 implementation in the Linux kernel before 4.5.2 mishandles destruction of device objects, which allows guest OS users to cause a denial of service (host OS networking outage) by arranging for a large number of IP addresses.

Weakness: CWE-399

Which versions are affected by CVE-2016-3156?

It affects 10 products.

Products include Canonical Ubuntu Linux, Linux kernel, Novell Suse Linux Enterprise Debuginfo, Novell Suse Linux Enterprise Desktop, Novell Suse Linux Enterprise Live Patching, Novell Suse Linux Enterprise Module for Public Cloud and 4 more.

How do I fix CVE-2016-3156?

Upgrade to a fixed version.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2016-3156 being exploited?

There is no known exploitation of CVE-2016-3156 in the wild and no public exploit code.

Other vulnerabilities in Canonical Ubuntu Linux

• CVE-2020-11651 SaltStack Salt Authentication Bypass Exploited Critical 9.8
• CVE-2020-7247 OpenSMTPD Remote Code Execution Exploited Critical 9.8
• CVE-2019-16928 Exim Out-of-bounds Write Exploited Critical 9.8
• CVE-2018-6789 Exim Buffer Overflow Exploited Critical 9.8
• CVE-2015-2590 Oracle Java SE and Java SE Embedded Remote Code Execution Exploited Critical 9.8

All Canonical Ubuntu Linux vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2016-3156, GHSA-5hqg-57xw-cp2p, UBUNTU-CVE-2016-3156.