In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: fix a double-free in arfscreategroups When in
allocated by kvzalloc fails, arfscreategroups will free ft->g and return an error. However, arfscreatetable, the only caller of arfscreategroups, will hold this error and call to mlx5edestroyflow_table, in which the ft->g will be freed again.