CVE-2014-4422: Apple iPhone OS

High severity, CVSS 8.1. EPSS: 1.9% chance of exploitation in the next 30 days.

The kernel in Apple iOS before 8 and Apple TV before 7 uses a predictable random number generator during the early portion of the boot process, which allows attackers to bypass certain kernel-hardening protection mechanisms by using a user-space process to observe data related to the random numbers.

Affected products

• Apple iPhone OS: up to and including 7.1.2; version 7.0 only; version 7.0.1 only; version 7.0.2 only; version 7.0.3 only; version 7.0.4 only; …
• Apple tvOS: up to and including 6.2; version 6.0 only; version 6.0.1 only; version 6.0.2 only; version 6.1 only; version 6.1.1 only; …

Published 2014-09-18. Last modified 2026-06-17.