kernel: nf_tables disallow binding to already bound chain

A flaw was found in net/netfilter/nftablesapi.c in the Linux kernel. A denial of service can occur upon binding to an already bound chain...

UBUNTU-CVE-2022-39190

An issue was discovered in net/netfilter/nftablesapi.c in the Linux kernel before 5.19.6. A denial of service can occur upon binding to an already bound chain...