CVE-2021-30680 : What You Need to Know

This CVE-2021-30680 article provides insights into a logic issue affecting macOS, fixed in macOS Big Sur 11.4. The issue allows a local user to load unsigned kernel extensions.

Understanding CVE-2021-30680

CVE-2021-30680 addresses a logic issue in macOS that could be exploited by a local user to load unsigned kernel extensions.

What is CVE-2021-30680?

CVE-2021-30680 is a vulnerability in macOS that permits a local user to potentially load unsigned kernel extensions.

The Impact of CVE-2021-30680

The impact of this vulnerability could lead to unauthorized loading of kernel extensions by a local user on affected macOS systems.

Technical Details of CVE-2021-30680

CVE-2021-30680 revolves around a logic issue in macOS that facilitates the loading of unsigned kernel extensions by a local user.

Vulnerability Description

The vulnerability arises from a flaw in state management within macOS, allowing local users to load unsigned kernel extensions.

Affected Systems and Versions

macOS systems with versions prior to 11.4 are vulnerable to CVE-2021-30680.

Exploitation Mechanism

Exploiting this vulnerability requires a local user to trigger the loading of unsigned kernel extensions on affected systems.

Mitigation and Prevention

To mitigate CVE-2021-30680, immediate actions and long-term security practices are crucial.

Immediate Steps to Take

Users should update their macOS systems to version 11.4 or higher to remediate the vulnerability.

Long-Term Security Practices

Enforce the policy of only loading signed kernel extensions and regularly update systems to prevent similar vulnerabilities.

Patching and Updates

Regularly monitor and install security patches and updates provided by Apple to enhance system security.