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Thursday, September 24 • 14:05 - 14:25
Reshaping (input) Space to Fuzz the Cloud's Virtualization Layer

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The market for public cloud platforms is valued in the hundreds of billions of dollars. Hypervisors form the backbone of the cloud and are, therefore, security-critical applications which are attractive targets for attackers. Fuzzing is a widely-adopted technique for automated software testing based on randomly-provided inputs. As testament to their success, fuzzers have found thousands of bugs in the Linux kernel.  Unfortunately, it is difficult to apply simple fuzzing techniques to the virtualization-layer, as hypervisors expose a massive input space which includes the entirety of the VM's memory. In this talk, I will present my research on making cloud virtual devices amenable to fuzzing. I will explain how we implemented fuzzing for the popular open-source QEMU hypervisor, where it has already led to dozens of bugs reports.

avatar for Alexander Bulekov

Alexander Bulekov

Research Intern, Red Hat
Alex is a PhD student at Boston University and an Intern at Red Hat Research.

Thursday September 24, 2020 14:05 - 14:25 EDT
Belly Virtual

Attendees (4)