CVE-2021-47547: Improper Validation of Array Index

In the Linux kernel, the following vulnerability has been resolved: net: tulip: de4x5: fix the problem that the array 'lp-phy8' may be out of bound In line 5001, if all id in the array 'lp-phy8' is not 0, when the 'for' end, the 'k' is 8. At this time, the array 'lp-phy8' may be out of bound...