CVE-2026-68371: usb: musb: omap2430: Do not put borrowed of_node in probe

Severity: high (CVSS 8.4 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-08-10 · updated 2026-08-23

Description

In the Linux kernel, the following vulnerability has been resolved: usb: musb: omap2430: Do not put borrowed of_node in probe omap2430_probe() stores pdev->dev.of_node in a local np variable. This is a borrowed pointer and the probe function does not take a reference to it. The success and error paths nevertheless call of_node_put(np). This drops a reference that is owned by the platform device, and can leave pdev->dev.of_node with an unbalanced reference count. Do not put the borrowed platform device node from omap2430_probe(). References taken for the child MUSB device are handled by the device core, and the ctrl-module phandle reference is still released separately.

Affected products

Linux kernel: from 6.1.2 before 6.1.184; from 6.0.16 before 6.1; 6.2 — fixed in 6.1, 6.1.184, 7.2

How to fix

Upgrade to a fixed version: Linux kernel 6.1, 6.1.184, 7.2. Check the vendor advisory for mitigations.

References

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