CVE-2026-43251 HID: prodikeys: Check presence of pm->input_ep82

In the Linux kernel, the following vulnerability has been resolved: HID: prodikeys: Check presence of pm-inputep82 Fake USB devices can send their own report descriptors for which the inputmapping hook does not get called. In this case, pm-inputep82 stays NULL, which leads to a crash later. This...