In the Linux kernel, the following vulnerability has been resolved: HID: steam: Prevent NULL pointer dereference in steam_{recv,send}_report It is possible for a malicious device to forgo submitting a Feature Report. The HID Steam driver presently makes no prevision for this and de-references the 'struct hid_report' pointer obtained from the HID devices without first checking its validity. Let's change that.
https://git.kernel.org/stable/c/fa2b822d86be5b5ad54fe4fa2daca464e71ff90a
https://git.kernel.org/stable/c/dee1e51b54794e90763e70a3c78f27ba4fa930ec
https://git.kernel.org/stable/c/dc815761948ab5b8c94db6cb53c95103588f16ae
https://git.kernel.org/stable/c/cd11d1a6114bd4bc6450ae59f6e110ec47362126
https://git.kernel.org/stable/c/c20d03b82a2e3ddbb555dad4d4f3374a9763222c
https://git.kernel.org/stable/c/989560b6d9e00d99e07bc33067fa1c770994bf4d