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Splitting atoms in XNU

🗓️ 01 Apr 2019 00:00:00Reported by GoogleProjectZeroType 
googleprojectzero
 googleprojectzero
🔗 googleprojectzero.blogspot.com👁 45 Views

A locking bug in XNU virtual memory subsystem allowed for the creation of unexpected shared memory, leading to a time-of-check-time-of-use bug and a subsequent heap overflow in XPC, which triggered the execution of a jump-oriented payload exploiting unsandboxed root process

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