CVE-2022-27950 Denial of service in n/a
A memory leak in the Linux kernel's HID driver allows attackers to cause a denial of service by triggering a specific error condition.
- 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-2022-27950?
CVE-2022-27950 is a medium-severity denial of service vulnerability in Linux kernel, published on 28 Mar 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In drivers/hid/hid-elo.c in the Linux kernel before 5.16.11, a memory leak exists for a certain hid_parse error condition.
Weakness: CWE-401
Which versions are affected by CVE-2022-27950?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2022-27950?
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-2022-27950 being exploited?
There is no known exploitation of CVE-2022-27950 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as AZL-9209, DEBIAN-CVE-2022-27950, GHSA-56cr-f967-877p, UBUNTU-CVE-2022-27950.