CVE-2023-54240

The CVE-2023-54240 issue is a Linux kernel NULL pointer dereference in the MTK ethernet driver (net: ethernet: mtk_eth_soc) during fdir all handling in mtk_hwlro_get_fdir_all(). The root cause is that rule_locs is allocated based on rule_cnt from user space in ethtool_get_rxnfc, and rule_cnt is n...