CVE-2019-14763 Race condition in n/a
A double-locking error in the Linux kernel USB gadget driver can cause a deadlock, leading to denial of service.
- 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-2019-14763?
CVE-2019-14763 is a medium-severity vulnerability in Canonical Ubuntu Linux, published on 7 Aug 2019. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In the Linux kernel before 4.16.4, a double-locking error in drivers/usb/dwc3/gadget.c may potentially cause a deadlock with f_hid.
Weakness: CWE-667
Which versions are affected by CVE-2019-14763?
It affects 2 products.
Products include Canonical Ubuntu Linux, Linux kernel.
How do I fix CVE-2019-14763?
Apply the vendor's patch.
Is CVE-2019-14763 being exploited?
There is no known exploitation of CVE-2019-14763 in the wild and no public exploit code.
Other vulnerabilities in Canonical Ubuntu Linux
Sources
Also known as DEBIAN-CVE-2019-14763, GHSA-rq2w-c7m2-92hw, UBUNTU-CVE-2019-14763.