CVE-2017-6348 Denial of service in n/a
Local users can cause a system deadlock and denial of service by exploiting improper lock management in the Linux kernel's IrDA subsystem.
- 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-2017-6348?
CVE-2017-6348 is a medium-severity denial of service vulnerability in Linux kernel, published on 1 Mar 2017. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
The hashbin_delete function in net/irda/irqueue.c in the Linux kernel before 4.9.13 improperly manages lock dropping, which allows local users to cause a denial of service (deadlock) via crafted operations on IrDA devices.
Which versions are affected by CVE-2017-6348?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2017-6348?
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-2017-6348 being exploited?
There is no known exploitation of CVE-2017-6348 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as DEBIAN-CVE-2017-6348, GHSA-m8mp-j74x-qfh9, UBUNTU-CVE-2017-6348.