netfilter: iptables: Fix null-ptr-deref in iptable_nat_table_init().

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AZL-47814 CVE-2024-42270 affecting package kernel for versions less than 6.6.47.1-1

In the Linux kernel, the following vulnerability has been resolved: netfilter: iptables: Fix null-ptr-deref in iptablenattableinit. We had a report that iptables-restore sometimes triggered null-ptr-deref at boot time. 0 The problem is that iptablenattableinit is exposed to user space before the...