CVE-2017-8925 Denial of service in n/a

Medium 5.5 Published Updated

Local users can cause a denial of service via tty exhaustion in the Linux kernel's omninet USB serial driver due to reference count mishandling.

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-2017-8925?

CVE-2017-8925 is a medium-severity denial of service vulnerability in Debian Debian Linux, published on 12 May 2017. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

The omninet_open function in drivers/usb/serial/omninet.c in the Linux kernel before 4.10.4 allows local users to cause a denial of service (tty exhaustion) by leveraging reference count mishandling.

Weakness: CWE-404

Which versions are affected by CVE-2017-8925?

It affects 2 products.

Products include Debian Debian Linux, Linux kernel.

How do I fix CVE-2017-8925?

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-2017-8925 being exploited?

There is no known exploitation of CVE-2017-8925 in the wild and no public exploit code.

All Debian Debian Linux vulnerabilities

Sources

Also known as DEBIAN-CVE-2017-8925, GHSA-ggwg-7cch-xvww, UBUNTU-CVE-2017-8925.

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