CVE-2023-3106 Kernel: netlink socket crash (null pointer deref) in netlink_dump function

A NULL pointer dereference vulnerability was found in netlinkdump. This issue can occur when the Netlink socket receives the messagesendmsg for the XFRMMSGGETSA, XFRMMSGGETPOLICY type message, and the DUMP flag is set and can cause a denial of service or possibly another unspecified impact. Due t...