CVE-2022-29968 Null dereference in n/a
A missing initialization in the Linux kernel's io_uring subsystem can lead to a null pointer dereference, causing a 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-2022-29968?
CVE-2022-29968 is a high-severity vulnerability in Fedoraproject Fedora, published on 2 May 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
An issue was discovered in the Linux kernel through 5.17.5. io_rw_init_file in fs/io_uring.c lacks initialization of kiocb->private.
Weakness: CWE-909
Which versions are affected by CVE-2022-29968?
It affects 8 products.
Products include Fedoraproject Fedora, Linux kernel, Netapp H300s Firmware, Netapp H410c Firmware, Netapp H410s Firmware, Netapp H500s Firmware and 2 more.
How do I fix CVE-2022-29968?
Apply the vendor's patch.
Is CVE-2022-29968 being exploited?
There is no known exploitation of CVE-2022-29968 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Other vulnerabilities in Fedoraproject Fedora
Sources
Also known as AZL-9596, DEBIAN-CVE-2022-29968, GHSA-p7mv-crf9-43g9, UBUNTU-CVE-2022-29968.