What You Need To Know About TCP "SACK Panic", (Tue, Jun 18th)

Netflix discovered several vulnerabilities in how Linux (and in some cases FreeBSD) are processing the “Selective TCP Acknowledgment (SACK)” option [1]. The most critical of the vulnerabilities can lead to a kernel panic, rendering the system unresponsive. Patching this vulnerability is critical. Once an exploit is released, the vulnerability could be used to shut down exposed servers, or likely clients connecting to malicious services.

Article Link: https://isc.sans.edu/diary/rss/25046