CVE-2022-49499 drm/msm: Fix null pointer dereferences without iommu

Medium 5.5 Published Updated

A null pointer dereference in the Linux kernel DRM MSM driver can cause a denial of service on systems without IOMMU support.

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-2022-49499?

CVE-2022-49499 is a medium-severity vulnerability in Linux kernel, published on 26 Feb 2025. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

In the Linux kernel, the following vulnerability has been resolved:

drm/msm: Fix null pointer dereferences without iommu

Check if 'aspace' is set before using it as it will stay null without IOMMU, such as on msm8974.

Weakness: CWE-476

Which versions are affected by CVE-2022-49499?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2022-49499?

Apply the vendor's patch.

Is CVE-2022-49499 being exploited?

There is no known exploitation of CVE-2022-49499 in the wild and no public exploit code.

All Linux kernel vulnerabilities

Sources

Also known as DEBIAN-CVE-2022-49499, GHSA-4w8m-wcw8-4mmj, UBUNTU-CVE-2022-49499.

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