iOS 17

Developers use Ian Beer’s CVE-2025-24203 write-up to bring MacDirtyCow-like tweaks to newer firmware

MDC0 and dirtyZero apps.

In case you didn’t already know, there’s a new kernel exploit out in the wild that renowned Google Project Zero security researcher Ian Beer recently published a writeup about. CVE-2025-24203, which is being referred to by the iPhone & iPad hacking community as dirtyZero or mdc0, is a kernel exploit that allows for certain system customizations akin to what the MacDirtyCow exploit was once capable of on supported firmware.