# CVE-2022-50061: pinctrl: nomadik: Fix refcount leak in nmk\_pinctrl\_dt\_subnode\_to\_map

- 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: 3.18

## Description

In the Linux kernel, the following vulnerability has been resolved: pinctrl: nomadik: Fix refcount leak in nmk_pinctrl_dt_subnode_to_map of_parse_phandle() returns a node pointer with refcount incremented, we should use of_node_put() on it when not need anymore. 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.
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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/81abaab5a4b815c0ed9f4d2c9745777ac5cc395b
- https://git.kernel.org/stable/c/c35f89a9021fa947ecede0584ae509368a52ec5a
- https://git.kernel.org/stable/c/f498542bc703bf1e5c6a1610e1ea493a437f0196
- https://git.kernel.org/stable/c/c26012a1e61c7bbd1b393d3bbae8dffdb6df65bb
- https://git.kernel.org/stable/c/78d05103891d3e96144b846fbc39f2cfb3384eae
- https://git.kernel.org/stable/c/9272265f2f76629e1a67e6d49b3a4461b3da1a73
- https://git.kernel.org/stable/c/587ac8ac00a1a9f4572785229d9441870fd7b187
- https://git.kernel.org/stable/c/4b32e054335ea0ce50967f63a7bfd4db058b14b9

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Page: https://cve.now/CVE-2022-50061
JSON: https://cve.now/api/v1/entries/CVE-2022-50061
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