CVE-2024-46778 drm/amd/display: Check UnboundedRequestEnabled's value

Medium 5.5 Published Updated

A null pointer dereference in the AMD display driver can cause a system crash, requiring a kernel patch to fix.

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-2024-46778?

CVE-2024-46778 is a medium-severity vulnerability in Linux kernel, published on 18 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: Check UnboundedRequestEnabled's value

CalculateSwathAndDETConfiguration_params_st's UnboundedRequestEnabled is a pointer (i.e. dml_bool_t *UnboundedRequestEnabled), and thus if (p->UnboundedRequestEnabled) checks its address, not bool value.

This fixes 1 REVERSE_INULL issue reported by Coverity.

Weakness: CWE-476

Which versions are affected by CVE-2024-46778?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2024-46778?

Apply the vendor's patch.

Is CVE-2024-46778 being exploited?

There is no known exploitation of CVE-2024-46778 in the wild and no public exploit code.

All Linux kernel vulnerabilities

Sources

Also known as AZL-53247, AZL-53358, BELL-CVE-2024-46778, DEBIAN-CVE-2024-46778, GHSA-q5xg-cgpw-7479, ROOT-OS-UBUNTU-2204-CVE-2024-46778 and 1 more.

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