CVE-2025-21774

In the Linux kernel, the following vulnerability has been resolved:

can: rockchip: rkcanfd_handle_rx_fifo_overflow_int(): bail out if skb cannot be allocated

Fix NULL pointer check in rkcanfd_handle_rx_fifo_overflow_int() to
bail out if skb cannot be allocated.

More information : https://git.kernel.org/stable/c/118fb35681bd2c0d2afa22f7be0ef94bb4d06849