CVE-2021-0003 : Security Advisory and Response

This article provides detailed information about CVE-2021-0003, a vulnerability in Intel(R) Ethernet Controllers 800 series Linux drivers that may lead to information disclosure.

Understanding CVE-2021-0003

This section outlines the description, impact, technical details, and mitigation strategies related to CVE-2021-0003.

What is CVE-2021-0003?

CVE-2021-0003 refers to an improper conditions check in certain Intel(R) Ethernet Controllers 800 series Linux drivers before version 1.4.11. It allows authenticated users to exploit the vulnerability locally to potentially enable information disclosure.

The Impact of CVE-2021-0003

The impact involves the risk of information disclosure through an exploitation method that could be employed by authenticated users with local access.

Technical Details of CVE-2021-0003

This section delves into the vulnerability description, affected systems, versions, and the exploitation mechanism.

Vulnerability Description

The vulnerability arises from improper conditions check in Intel(R) Ethernet Controllers 800 series Linux drivers, specifically versions before 1.4.11, potentially enabling information disclosure.

Affected Systems and Versions

The affected product is the Intel(R) Ethernet Controllers 800 series Linux drivers before version 1.4.11, exposing them to the risk of information disclosure.

Exploitation Mechanism

An authenticated user can exploit this vulnerability via local access to potentially disclose information.

Mitigation and Prevention

This section guides users on the immediate steps to take and long-term security practices to mitigate the risk posed by CVE-2021-0003.

Immediate Steps to Take

To address this issue, users should apply patches and updates provided by Intel or respective vendors to mitigate the vulnerability.

Long-Term Security Practices

Practicing good cyber hygiene, maintaining up-to-date security measures, and monitoring for security advisories can enhance long-term security.

Patching and Updates

Regularly updating the affected Intel(R) Ethernet Controllers 800 series Linux drivers to versions beyond 1.4.11 is crucial in safeguarding against potential information disclosure vulnerabilities.