CVE-2017-16649 Denial of service in n/a

Medium 6.6 Published Updated

A local attacker can cause a system crash via a divide-by-zero error in the Linux kernel's USB network driver by using a crafted USB device.

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

What is CVE-2017-16649?

CVE-2017-16649 is a medium-severity denial of service vulnerability in Linux kernel, published on 7 Nov 2017. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

The usbnet_generic_cdc_bind function in drivers/net/usb/cdc_ether.c in the Linux kernel through 4.13.11 allows local users to cause a denial of service (divide-by-zero error and system crash) or possibly have unspecified other impact via a crafted USB device.

Weakness: CWE-369

Which versions are affected by CVE-2017-16649?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2017-16649?

Apply the vendor's patch.

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-2017-16649 being exploited?

There is no known exploitation of CVE-2017-16649 in the wild and no public exploit code.

All Linux kernel vulnerabilities

Sources

Also known as DEBIAN-CVE-2017-16649, GHSA-3ggx-f2mm-cg59, UBUNTU-CVE-2017-16649.

Is CVE-2017-16649 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free