MIND THE PATCH GAP: EXPLOITING AN IO_URING VULNERABILITY IN UBUNTU

Summary from the TLDR InfoSec newsletter

This blog post from Exodus Intel explains a vulnerability (CVE-2024-0582) in io_uring in the Linux kernel related to a use-after-free bug. The vulnerability occurs when an application registers and later unregisters a provided buffer ring with a specific flag, leading to memory issues. The post details the exploitation of this vulnerability and a data-only exploit strategy.