Saint Dirty Pagetable

Technical record

Disclosed on

July 10 2023

CVE

CVE-2023-21400CVE-2020-29661

Product

Google · Android

In multiple functions of io_uring.c, there is a possible kernel memory corruption due to improper locking. This could lead to local escalation of privilege in the kernel with System execution privileges needed. User interaction is not needed for exploitation.

Sources: yanglingxi1993.github.io · web.archive.org