For eighteen years. No public exploit exists yet; no CISA catalog entry as of August 7. Restrict SCTP access on multi-tenant systems and containers, and patch the Linux kernel when fixes become available. Reward: You've received the Phantom Packet Badge. It does nothing. Much like eighteen years of SCTP audits. #Linux #CyberSecurity #ZeroDay #ContainerEscape #PrivilegeEscalation #RootedAndBooted (2/2)