CVE-2025-37809: usb: typec: class: Fix NULL pointer access

First published: Thu May 08 2025(Updated: )

In the Linux kernel, the following vulnerability has been resolved: usb: typec: class: Fix NULL pointer access Concurrent calls to typec_partner_unlink_device can lead to a NULL pointer dereference. This patch adds a mutex to protect USB device pointers and prevent this issue. The same mutex protects both the device pointers and the partner device registration.

Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67

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