Subscribe via feed.

XNU vm_map_copy Optimization Issue

Posted by deepcore on February 1, 2019 – 12:37 pm

XNU vm_map_copy optimization which requires atomicity is not atomic. This violates the semantics of mach message OOL memory, and leads to TOCTOU issues which can lead to memory corruption.


This post is under “exploit” and has no respond so far.
If you enjoy this article, make sure you subscribe to my RSS Feed.

Post a reply

You must be logged in to post a comment.


« »