CVE-2024-49912 drm/amd/display: Handle null 'stream_status' in 'planes_changed_for_existing_stream'

What is CVE-2024-49912?

CVE-2024-49912 is a medium-severity vulnerability in Linux kernel, published on 21 Oct 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: Handle null 'stream_status' in 'planes_changed_for_existing_stream'

This commit adds a null check for 'stream_status' in the function 'planes_changed_for_existing_stream'. Previously, the code assumed 'stream_status' could be null, but did not handle the case where it was actually null. This could lead to a null pointer dereference.

Reported by smatch: drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_resource.c:3784 planes_changed_for_existing_stream() error: we previously assumed 'stream_status' could be null (see line 3774)

Weakness: CWE-476

Which versions are affected by CVE-2024-49912?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2024-49912?

Apply the vendor's patch.

Is CVE-2024-49912 being exploited?

There is no known exploitation of CVE-2024-49912 in the wild and no public exploit code.

Other vulnerabilities in Linux kernel

• CVE-2026-53266 Linux Kernel Out-of-Bounds Write Exploited High 8.8
• CVE-2013-6282 Linux Kernel Improper Input Validation Exploited High 8.8
• CVE-2022-0185 Linux Kernel Heap-Based Buffer Overflow Exploited High 8.4
• CVE-2013-2094 Linux Kernel Privilege Escalation Exploited High 8.4
• CVE-2026-53362 Linux Kernel Unspecified Exploited High 7.8

All Linux kernel vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as AZL-51177, AZL-51312, BELL-CVE-2024-49912, DEBIAN-CVE-2024-49912, GHSA-5rwv-chpw-9fvf, ROOT-OS-DEBIAN-11-CVE-2024-49912 and 2 more.