CVE-2026-74458 can: kvaser_usb_leaf: kvaser_usb_leaf_wait_cmd(): validate received command extents

In the Linux kernel, the following vulnerability has been resolved: can: kvaserusbleaf: kvaserusbleafwaitcmd: validate received command extents The wait and bulk receive paths walk variable-length commands from a USB buffer. A nonzero command shorter than CMDHEADERLEN can still be dispatched, and...