A race condition was addressed with additional validation. This issue is fixed in iOS 12.2, macOS Mojave 10.14.4. A malicious application may be able to gain root privileges.
Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-8565
Reference (s):
- https://support.apple.com/HT209599
- https://support.apple.com/HT209600