CVE-2019-8606 Race condition in macOS

High 7.0 Published 18 Dec 2019 Updated 4 Aug 2024

A local attacker can exploit a symlink validation race condition to load unsigned kernel extensions, leading to privilege escalation.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2019-8606?

CVE-2019-8606 is a high-severity vulnerability in Apple Mac Os X, published on 18 Dec 2019. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A validation issue existed in the handling of symlinks. This issue was addressed with improved validation of symlinks. This issue is fixed in macOS Mojave 10.14.5. A local user may be able to load unsigned kernel extensions.

Weakness: CWE-362

Which versions are affected by CVE-2019-8606?

It affects 1 product.

Products include Apple Mac Os X.

How do I fix CVE-2019-8606?

No fix has been published for CVE-2019-8606 yet. Limit exposure of the affected software until one is available.

Is CVE-2019-8606 being exploited?

There is no known exploitation of CVE-2019-8606 in the wild and no public exploit code.

All Apple Mac Os X vulnerabilities

Sources

Also known as GHSA-7h6r-9776-xcj9.