# Darwin/XNU `Darwin/XNU` is not supported at the moment. [panicall](https://twitter.com/panicaII) has [ported](https://i.blackhat.com/eu-18/Wed-Dec-5/eu-18-Juwei_Lin-Drill-The-Apple-Core.pdf) syzkaller to `Darwin/XNU` and that has found more than [50 bugs](https://twitter.com/panicaII/status/1070696972326133760) including `CVE-2018-4447` and `CVE-2018-4435` mentioned in [Apple security updates](https://support.apple.com/en-us/HT209341).