kernel: netfilter: synproxy: refresh tcphdr after skb_ensure_writable

A flaw was found in the Linux kernel's netfilter synproxy module. When handling TCP timestamp options, a stale pointer can be used after memory reallocation. This can result in memory corruption, where data is written to a freed memory area, or lead to packets being sent with an incorrect checksu...

TCP TIMESTAMPS Denial of Service Exploit

Exploit for multiple platform in category dos / poc ======================================== TCP TIMESTAMPS Denial of Service Exploit ======================================== / TCP does not adequately validate segments before updating timestamp value http://www.kb.cert.org/vuls/id/637934 RFC-1323...