CVE-2022-4662 Denial of service in Kernel
A local user can crash the system by attaching a USB device due to incorrect access control in the Linux kernel USB core.
- 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-2022-4662?
CVE-2022-4662 is a medium-severity denial of service vulnerability in Linux kernel, published on 22 Dec 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A flaw incorrect access control in the Linux kernel USB core subsystem was found in the way user attaches usb device. A local user could use this flaw to crash the system.
Weakness: CWE-455
Which versions are affected by CVE-2022-4662?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2022-4662?
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-2022-4662 being exploited?
There is no known exploitation of CVE-2022-4662 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as AZL-12108, DEBIAN-CVE-2022-4662, GHSA-gcm2-9m6w-m6mj, OESA-2023-1040, OESA-2023-1041, UBUNTU-CVE-2022-4662.