CVE-2022-49478: Improper Validation of Array Index

In the Linux kernel, the following vulnerability has been resolved: media: pvrusb2: fix array-index-out-of-bounds in pvr2i2ccoreinit Syzbot reported that -1 is used as array index. The problem was in missing validation check. hdw-unitnumber is initialized with -1 and then if init table walk fails...