CVE-2016-3137 Null dereference in n/a

Medium 4.6 Published Updated

A physically proximate attacker can crash the Linux kernel by connecting a USB device with missing endpoint descriptors, causing a NULL pointer dereference.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
Not needed
Fix
Available

What is CVE-2016-3137?

CVE-2016-3137 is a medium-severity vulnerability in Canonical Ubuntu Linux, published on 2 May 2016. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

drivers/usb/serial/cypress_m8.c in the Linux kernel before 4.5.1 allows physically proximate attackers to cause a denial of service (NULL pointer dereference and system crash) via a USB device without both an interrupt-in and an interrupt-out endpoint descriptor, related to the cypress_generic_port_probe and cypress_open functions.

Which versions are affected by CVE-2016-3137?

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-2016-3137?

Upgrade to a fixed version.

Is CVE-2016-3137 being exploited?

There is no known exploitation of CVE-2016-3137 in the wild and no public exploit code.

All Canonical Ubuntu Linux vulnerabilities

Sources

Also known as DEBIAN-CVE-2016-3137, GHSA-mmxf-q66r-jgpq, UBUNTU-CVE-2016-3137.

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