CVE-2023-1206 (enterprise_linux, fedora, linux_kernel)

A hash collision flaw was found in the IPv6 connection lookup table in the Linux kernel’s IPv6 functionality when a user makes a new kind of SYN flood attack. A user located in the local network or with a high bandwidth connection can increase the CPU usage of the server that accepts IPV6 connections up to 95%.

attack bandwidth collision connections cpu cve fedora flaw flood hash high ipv6 linux local local network network server syn syn flood