kernel: net: stmmac: fix tc flower deletion for VLAN priority Rx steering

A vulnerability was found in the Linux kernel's net component in the stmmac driver, where improper deletion of VLAN priority filters caused a kernel NULL pointer dereference which occurs during the deletion of specific tc flower records, leading to potential system crashes...

kernel: net: stmmac: fix tc flower deletion for VLAN priority Rx steering

A vulnerability was found in the Linux kernel's net component in the stmmac driver, where improper deletion of VLAN priority filters caused a kernel NULL pointer dereference which occurs during the deletion of specific tc flower records, leading to potential system crashes...