[Unit] Description=CVE-2026-98432 interim mitigation (drop IPv4 TCP with IP options) DefaultDependencies=no After=nftables.service Before=network-pre.target Wants=network-pre.target [Service] Type=oneshot ExecStart=/usr/sbin/nft -f /etc/nftables-cve98432.nft ExecStop=-/usr/sbin/nft delete table inet cve98432 RemainAfterExit=yes [Install] WantedBy=multi-user.target