Casey Schaufler
2019.linux.con...
The Linux Kernel Hardening Project is making significant strides in reducing vulnerabilities and in increasing the effort required to exploit vulnerabilities that remain. Much of what has been implemented is obviously valuable, but sometimes the benefit is more subtle. How does the introduction of refcount_t make the kernel more secure, and by how much? What value is there in removing variable length arrays? Casey Schaufler, a (really) long time kernel developer will explain why some of these changes provide significantly greater value than might be apparent to the casual observer. He will discuss the cost of kernel hardening in terms of development overhead, code churn and performance.
linux.conf.au is a conference about the Linux operating system, and all aspects of the thriving ecosystem of Free and Open Source Software that has grown up around it. Run since 1999, in a different Australian or New Zealand city each year, by a team of local volunteers, LCA invites more than 500 people to learn from the people who shape the future of Open Source. For more information on the conference see linux.conf.au/
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