CVE-2022-2959 Race condition in kernel
A local attacker can exploit a race condition in the Linux kernel's watch queue to crash the system or escalate privileges.
- 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-2022-2959?
CVE-2022-2959 is a high-severity vulnerability in Linux kernel, published on 25 Aug 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A race condition was found in the Linux kernel's watch queue due to a missing lock in pipe_resize_ring(). The specific flaw exists within the handling of pipe buffers. The issue results from the lack of proper locking when performing operations on an object. This flaw allows a local user to crash the system or escalate their privileges on the system.
Which versions are affected by CVE-2022-2959?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2022-2959?
Apply the vendor's patch.
Is CVE-2022-2959 being exploited?
There is no known exploitation of CVE-2022-2959 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as A-244395411, ASB-A-244395411, AZL-10692, DEBIAN-CVE-2022-2959, GHSA-xfpm-q238-hr33, UBUNTU-CVE-2022-2959.