# CVE-2022-50154: PCI: mediatek-gen3: Fix refcount leak in mtk\_pcie\_init\_irq\_domains()

- 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: 5.13

## Description

In the Linux kernel, the following vulnerability has been resolved: PCI: mediatek-gen3: Fix refcount leak in mtk_pcie_init_irq_domains() of_get_child_by_name() returns a node pointer with refcount incremented, so we should use of_node_put() on it when we don't need it 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/0675fe20da7fa69b1ba80c23470c1433a2356c03
- https://git.kernel.org/stable/c/2aa166c39d5a8221e6e22ab1a583656d4c8dc7f7
- https://git.kernel.org/stable/c/e593e22786edd9eca058cf054d6a2e12c138da67
- https://git.kernel.org/stable/c/bf038503d5fe90189743124233fe7aeb0984e961

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