CVE-2022-3202 Null dereference in Kernel

High 7.1 Published Updated

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.

All Linux kernel vulnerabilities

Sources

Also known as AZL-10968, DEBIAN-CVE-2022-3202, GHSA-3f4q-435v-wxfp, UBUNTU-CVE-2022-3202.

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