CVE-2023-54004 udplite: Fix NULL pointer dereference in __sk_mem_raise_allocated().

In the Linux kernel, the following vulnerability has been resolved: udplite: Fix NULL pointer dereference in skmemraiseallocated. syzbot reported 0 a null-ptr-deref in skgetrmem0 while using IPPROTOUDPLITE 0x88: 14:25:52 executing program 1: r0 = socket$inet60xa, 0x80002, 0x88 We had a similar...