CVE-2019-11478: Sack Panic
CVE-2019-11477, nicknamed SACK Panic, is a remote denial of service in the Linux TCP stack where the whole disaster comes down to a __u16 counter that can on...
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CVE-2019-11478: Sack Slowness
In June 2019, Netflix engineer Jonathan Looney disclosed three related bugs in how Linux handles TCP Selective Acknowledgments (SACK). The most famous one is...
CVE-2019-11479: The Linux TCP Low MSS DoS
CVE-2019-11479 is a denial of service vulnerability in the Linux kernel’s TCP stack, disclosed in June 2019 alongside two related bugs we have already discus...
Signed Numbers Representation
So far we’ve only added and subtracted positive numbers. But computers don’t just work with positive numbers, they need a way to represent negative numbers t...
Number Systems Conversions
We are going to discuss a very important topic today that is Number system conversions. Before diving in, here’s the map of everything we’re about to cover: