Exploiting Race Conditions Using the Scheduler

Exploiting Race Conditions Using the Scheduler

Linux Foundation via YouTube Direct link

komp() for reliable UAF

11 of 18

11 of 18

komp() for reliable UAF

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Exploiting Race Conditions Using the Scheduler

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  1. 1 Intro
  2. 2 Translation Lookaside Buffer (TLB)
  3. 3 mremap() moving a memory mapping
  4. 4 fallocate() (de)allocate space for a file
  5. 5 Exploit plan: Basics
  6. 6 Buddy allocator
  7. 7 Preemption
  8. 8 Scheduler control
  9. 9 Android kernel exploit (app - zygote)
  10. 10 userfaultfd and FUSE
  11. 11 komp() for reliable UAF
  12. 12 FUSE for exploiting struct file refcount
  13. 13 int getpidcon(pid t pid, char **context)
  14. 14 Bug 3: race condition in hwservicemanager
  15. 15 _mutex on kernel 4.4
  16. 16 Priority Inversion
  17. 17 Major faults
  18. 18 Repeated file mapping faults

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