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Dirty Ptrace: Exploiting Undocumented Behaviors in Kernel mmap Handlers

Talk (slides) by Xingyu Jin and Martijn Bogaard about a new type of logical bugs in kernel driver mmap handlers exploitable via the ptrace functionality.

Authors found multiple Android vendor drivers affected by the issue. They also wrote an exploit for the IMG DXT GPU driver to escalate privileges on Pixel 10.
YouTube POC2025 | Dirty Ptrace: Exploiting Undocumented Behaviors in Kernel mmap Handlers 📌 Title Dirty Ptrace: Exploiting Undocumented Behaviors in Kernel mmap Handlers 📌 Speaker Xingyu Jin, Martijn Bogaard (@Google) #POC #PowerOfCommunity #POC2025
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