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Re:SACK Panic – Multiple TCP-based remote denial-of-service ... by geggam on Monday June 17, 2019 @05:59PM (#20207800)
Is this the same thing ?

https://www.cvedetails.com/cve/CVE-2005-0960/

Multiple vulnerabilities in the SACK functionality in (1) tcp_input.c and (2) tcp_usrreq.c OpenBSD 3.5 and 3.6 allow remote attackers to cause a denial of service (memory exhaustion or system crash).

Re:SACK Panic – Multiple TCP-based remote denial-of-service ... by wademealing on Monday June 17, 2019 @07:53PM (#20208490)
Similar concept, different operating system.