CVE-2021-0083 : Security Advisory and Response

This article provides details about CVE-2021-0083, which involves improper input validation in certain versions of Intel(R) Optane(TM) PMem, potentially enabling a denial of service attack through local access.

Understanding CVE-2021-0083

This section delves into the specifics of the CVE-2021-0083 vulnerability.

What is CVE-2021-0083?

The CVE-2021-0083 vulnerability relates to improper input validation found in specific versions of Intel(R) Optane(TM) PMem before versions 1.2.0.5446 or 2.2.0.1547. This flaw could be exploited by a privileged user to trigger a denial of service attack via local access.

The Impact of CVE-2021-0083

The impact of CVE-2021-0083 could lead to a denial of service scenario, potentially affecting the availability and performance of the system.

Technical Details of CVE-2021-0083

This section outlines the technical aspects of the CVE-2021-0083 vulnerability.

Vulnerability Description

The vulnerability lies in the improper input validation process within certain versions of Intel(R) Optane(TM) PMem, opening up the possibility of a denial of service exploit.

Affected Systems and Versions

Systems running Intel(R) Optane(TM) PMem versions prior to 1.2.0.5446 or 2.2.0.1547 are vulnerable to this exploit.

Exploitation Mechanism

A privileged user with local access could potentially abuse the vulnerability to trigger a denial of service attack.

Mitigation and Prevention

This section provides strategies to mitigate and prevent the exploitation of CVE-2021-0083.

Immediate Steps to Take

Immediately update Intel(R) Optane(TM) PMem to versions 1.2.0.5446 or 2.2.0.1547 to remediate the vulnerability.

Long-Term Security Practices

Incorporate rigorous input validation routines within the development and deployment processes to prevent similar vulnerabilities in the future.

Patching and Updates

Regularly monitor security advisories from Intel and apply patches promptly to address any known vulnerabilities.