CVE-2022-3078 Null dereference in Kernel

Medium 5.5 Published Updated

A missing check after memory allocation in the Linux kernel vidtv driver can cause a null pointer dereference, leading to a system crash.

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-2022-3078?

CVE-2022-3078 is a medium-severity vulnerability in Linux kernel, published on 1 Sep 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 5.16-rc6. There is a lack of check after calling vzalloc() and lack of free after allocation in drivers/media/test-drivers/vidtv/vidtv_s302m.c.

Weakness: CWE-476

Which versions are affected by CVE-2022-3078?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2022-3078?

Apply the vendor's patch.

Is CVE-2022-3078 being exploited?

There is no known exploitation of CVE-2022-3078 in the wild and no public exploit code.

All Linux kernel vulnerabilities

Sources

Also known as AZL-10823, DEBIAN-CVE-2022-3078, GHSA-4x55-vrfr-pm6m, UBUNTU-CVE-2022-3078.

Is CVE-2022-3078 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free