CVE-2025-38558 usb: gadget: uvc: Initialize frame-based format color matching descriptor

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: uvc: Initialize frame-based format color matching descriptor Fix NULL pointer crash in uvcgframebasedmake due to uninitialized color matching descriptor for frame-based format which was added in commit f5e7bdd34aca...

CVE-2025-38558

In CVE-2025-38558, the Linux kernel USB gadget VAR: uvc frame-based format previously crashed when color_matching descriptor was missing, due to a NULL pointer dereference. The fix initializes the color matching descriptor for frame-based formats, mirroring the handling already present for uncomp...