CVE-2024-46810 drm/bridge: tc358767: Check if fully initialized before signalling HPD event via IRQ

Medium 5.5 Published Updated

A null pointer dereference in the Linux kernel's tc358767 DRM bridge driver can cause a system crash when HPD events are signaled before initialization.

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-2024-46810?

CVE-2024-46810 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/bridge: tc358767: Check if fully initialized before signalling HPD event via IRQ

Make sure the connector is fully initialized before signalling any HPD events via drm_kms_helper_hotplug_event(), otherwise this may lead to NULL pointer dereference.

Weakness: CWE-476

Which versions are affected by CVE-2024-46810?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2024-46810?

Apply the vendor's patch.

Is CVE-2024-46810 being exploited?

There is no known exploitation of CVE-2024-46810 in the wild and no public exploit code.

All Linux kernel vulnerabilities

Sources

Also known as BELL-CVE-2024-46810, DEBIAN-CVE-2024-46810, GHSA-xm5j-hmvj-wr75, ROOT-OS-DEBIAN-11-CVE-2024-46810, UBUNTU-CVE-2024-46810.

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