CVE-2022-21123 : Security Advisory and Response

This CVE-2022-21123 article provides insights into an information disclosure vulnerability affecting Intel(R) Processors.

Understanding CVE-2022-21123

Incomplete cleanup of multi-core shared buffers for some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access.

What is CVE-2022-21123?

The CVE-2022-21123 vulnerability involves incomplete cleanup of multi-core shared buffers in certain Intel(R) Processors, potentially leading to information disclosure through local access.

The Impact of CVE-2022-21123

The impact of CVE-2022-21123 is the potential exposure of sensitive information due to the incomplete buffer cleanup, enabling authenticated users to access this data locally.

Technical Details of CVE-2022-21123

Let's delve into the technical aspects of CVE-2022-21123 to understand the vulnerability further.

Vulnerability Description

The vulnerability arises from inadequate cleanup of multi-core shared buffers in specific Intel(R) Processors, posing a risk of enabling information disclosure through local access.

Affected Systems and Versions

The affected systems include Intel(R) Processors, and the specific versions can be referred to in the provided references.

Exploitation Mechanism

The exploitation of CVE-2022-21123 involves leveraging the incomplete cleanup of multi-core shared buffers to obtain unauthorized access to sensitive information.

Mitigation and Prevention

To mitigate the risks associated with CVE-2022-21123, certain steps can be taken to enhance security measures.

Immediate Steps to Take

Immediate actions to mitigate the vulnerability include applying security patches and updates as provided by Intel(R) for the affected processors.

Long-Term Security Practices

Implementing robust security practices, such as regular security audits and access controls, can help prevent information disclosure vulnerabilities in the long term.

Patching and Updates

Regularly updating the firmware and software of Intel(R) Processors is crucial to address vulnerabilities and ensure a secure computing environment.