~/talks

Yueqi Chen

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titleconferencedate
Kill Latest MPU-based Protections in Just One Shot: Targeting All Commodity RTOSesBlack Hat USA 20232023-08-05
Finds universal MPU deployment mistakes in six commodity RTOSes (FreeRTOS, MbedOS, Azure ThreadX, TizenRT, rt-thread and others) that let unprivileged tasks…
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HotBPF++: A More Powerful Memory Protection for the Linux KernelLinux Security Summit North America 20232023-05-10
HotBPF++ automatically generates and installs eBPF programs from syzkaller/kernel sanitizer reports to stop vulnerabilities from being triggered rather than…
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HotBPF - An On-demand and On-the-fly Memory Protection for the Linux Ker...Linux Security Summit Europe 20222022-09-15
HotBPF identifies vulnerable slab objects from sanitizer and kernel crash reports, maps source allocation sites to binary addresses with debug info, and…
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A General Approach to Bypassing Many Kernel Protections and its MitigationBlack Hat Asia 20212021-05-04
Shows that kernel “elastic” (flexible) objects let a limited heap write become a powerful info‑leak primitive that defeats KASLR, reveals stack canaries, heap…
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Exposing Cache Timing Side-Channel Leaks through Out-of-Order Symbolic ExecutionOOPSLA 20202020-11-15
Claims a practical symbolic-execution tool that models CPU out-of-order and speculative scheduling to expose cache-timing leaks. Implements Out-of-Order…
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Hands Off and Putting SLAB/SLUB Feng Shui in a BlackboxBlack Hat Europe 20192019-12-02
Automated technique maps kernel allocation sites to usable objects and system calls, builds a kernel object database via static analysis plus targeted fuzzing…
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