CVE-2022-41858 Null dereference in Linux kernel
An attacker can crash the system or leak kernel information via a NULL pointer dereference in the Linux kernel slip driver.
- 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-2022-41858?
CVE-2022-41858 is a high-severity vulnerability in Linux kernel, published on 17 Jan 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A flaw was found in the Linux kernel. A NULL pointer dereference may occur while a slip driver is in progress to detach in sl_tx_timeout in drivers/net/slip/slip.c. This issue could allow an attacker to crash the system or leak internal kernel information.
Which versions are affected by CVE-2022-41858?
It affects 2 products.
Products include Linux kernel, Netapp Hci Baseboard Management Controller.
How do I fix CVE-2022-41858?
Apply the vendor's patch.
Is CVE-2022-41858 being exploited?
There is no known exploitation of CVE-2022-41858 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as AZL-13051, DEBIAN-CVE-2022-41858, GHSA-5r4m-496r-7wqm, UBUNTU-CVE-2022-41858.