Description

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.

Classification

CVE ID: CVE-2025-37809

Affected Products

Vendor: Linux

Product: Linux

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.02% (probability of being exploited)

EPSS Percentile: 4.25% (scored less or equal to compared to others)

EPSS Date: 2025-06-06 (when was this score calculated)

References

https://nvd.nist.gov/vuln/detail/CVE-2025-37809
https://git.kernel.org/stable/c/de7c24febd21413ea8f49f61b36338b676c02852
https://git.kernel.org/stable/c/1fdde62411fe65640e69bc55ea027d5b7b2f0093
https://git.kernel.org/stable/c/ec27386de23a511008c53aa2f3434ad180a3ca9a

Timeline