CVE-2022-3202 Null dereference in Kernel
A local attacker can crash the system or leak kernel information via a NULL pointer dereference in the JFS filesystem.
- 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-2022-3202?
CVE-2022-3202 is a high-severity vulnerability in Linux kernel, published on 14 Sep 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A NULL pointer dereference flaw in diFree in fs/jfs/inode.c in Journaled File System (JFS)in the Linux kernel. This could allow a local attacker to crash the system or leak kernel internal information.
Weakness: CWE-476
Which versions are affected by CVE-2022-3202?
It affects 6 products.
Products include Linux kernel, Netapp H300s Firmware, Netapp H410c Firmware, Netapp H410s Firmware, Netapp H500s Firmware, Netapp H700s Firmware.
How do I fix CVE-2022-3202?
Apply the vendor's patch.
Is CVE-2022-3202 being exploited?
There is no known exploitation of CVE-2022-3202 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as AZL-10968, DEBIAN-CVE-2022-3202, GHSA-3f4q-435v-wxfp, UBUNTU-CVE-2022-3202.