CVE-2022-49499 drm/msm: Fix null pointer dereferences without iommu
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.
Other vulnerabilities in Linux kernel
Sources
Also known as DEBIAN-CVE-2022-49499, GHSA-4w8m-wcw8-4mmj, UBUNTU-CVE-2022-49499.