CVE-2024-46808 drm/amd/display: Add missing NULL pointer check within dpcd_extend_address_range

Medium 5.5 Published Updated

A missing NULL pointer check in the AMD display driver can cause a kernel crash, leading to denial of service.

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-2024-46808?

CVE-2024-46808 is a medium-severity vulnerability in Linux kernel, published on 27 Sep 2024. 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/amd/display: Add missing NULL pointer check within dpcd_extend_address_range

[Why & How] ASSERT if return NULL from kcalloc.

Weakness: CWE-476

Which versions are affected by CVE-2024-46808?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2024-46808?

Apply the vendor's patch.

Is CVE-2024-46808 being exploited?

There is no known exploitation of CVE-2024-46808 in the wild and no public exploit code.

All Linux kernel vulnerabilities

Sources

Also known as AZL-49818, AZL-49855, BELL-CVE-2024-46808, DEBIAN-CVE-2024-46808, GHSA-8gp7-gf3w-qv23, ROOT-OS-DEBIAN-11-CVE-2024-46808 and 3 more.

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