[oss-security] CVE request -- Linux kernel: sctp: sk_ack_backlog wrap-around problem

Description of the problem: For a TCP-style socket, while processing the COOKIEECHO chunk in sctpsfdo51Dce, after it has passed a series of sanity check, a new association would be created in sctpunpackcookie, but afterwards, some processing maybe failed, and sctpassociationfree will be called to...