CVE-2018-12207 : Vulnerability Insights and Analysis

A local user with proper authentication could potentially cause a denial of service on the host system by exploiting the inadequate invalidation of page table updates performed by a virtual guest operating system on multiple Intel(R) Processors.

Understanding CVE-2018-12207

Improper invalidation for page table updates by a virtual guest operating system for multiple Intel(R) Processors may allow an authenticated user to potentially enable denial of service of the host system via local access.

What is CVE-2018-12207?

CVE-2018-12207 is a vulnerability that could be exploited by a local user with proper authentication to cause a denial of service on the host system.

The Impact of CVE-2018-12207

The vulnerability could potentially lead to a denial of service on the host system, affecting system availability and performance.

Technical Details of CVE-2018-12207

Vulnerability Description

The vulnerability arises from the inadequate invalidation of page table updates by a virtual guest operating system on multiple Intel(R) Processors.

Affected Systems and Versions

Product: 2019.2 IPU – Intel(R) Processor Machine Check Error
Version: See provided reference

Exploitation Mechanism

The vulnerability can be exploited by a local user with proper authentication to manipulate page table updates and cause a denial of service on the host system.

Mitigation and Prevention

Immediate Steps to Take

Apply patches provided by the vendor to address the vulnerability.
Monitor system logs for any suspicious activities related to page table updates.

Long-Term Security Practices

Implement the principle of least privilege to restrict user access and actions.
Regularly update and patch systems to protect against known vulnerabilities.
Conduct security training for users to raise awareness of potential threats.

Patching and Updates

Refer to the vendor advisories for specific patch information and update procedures.