NULL Pointer Dereference
CVE-2025-37809
Summary
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.
- LOW
- LOCAL
- NONE
- UNCHANGED
- NONE
- LOW
- NONE
- HIGH
CWE-476 - NULL Pointer Dereference
A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit.
References
Advisory Timeline
- Published