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Explore the vulnerabilities in USB device drivers through this Black Hat conference talk. Delve into the development of the vUSBf framework, a virtual USB fuzzer based on KVM and QEMU's USB redirection protocol. Learn how this innovative tool enables the execution of up to 150 tests per second on a single Intel system, significantly accelerating the bug detection process. Discover the types of bugs uncovered in Enterprise Linux kernels and current Linux kernels, including null-pointer dereferences, kernel panics, and segfaults. Gain insights into the framework's architecture, its ability to define millions of test cases using XML configuration, and its potential for scaling through a built-in cluster protocol. Understand the implications of these findings for USB security and the importance of systematic analysis in identifying vulnerabilities in hardware-specific drivers.
