CVE-2022-43848 : Security Advisory and Response

IBM AIX 7.1, 7.2, 7.3, and VIOS 3.1 are vulnerable to a denial of service attack due to a flaw in the AIX perfstat kernel extension. This CVE was published by IBM on December 23, 2022.

Understanding CVE-2022-43848

This section will cover the details of the CVE-2022-43848 vulnerability affecting IBM AIX systems.

What is CVE-2022-43848?

The vulnerability in IBM AIX allows a non-privileged local user to trigger a denial of service attack by exploiting a flaw in the AIX perfstat kernel extension.

The Impact of CVE-2022-43848

The impact of this vulnerability is rated as MEDIUM severity with a CVSS base score of 6.2. It requires LOW attack complexity and has a HIGH availability impact.

Technical Details of CVE-2022-43848

This section will provide in-depth technical details regarding the CVE-2022-43848 vulnerability.

Vulnerability Description

IBM AIX 7.1, 7.2, 7.3, and VIOS 3.1 are affected by an improper input validation vulnerability in the AIX perfstat kernel extension, leading to a denial of service.

Affected Systems and Versions

Affected Versions: AIX 7.1, 7.2, 7.3, VIOS 3.1

Exploitation Mechanism

The vulnerability can be exploited by a non-privileged local user to exploit the flaw in the AIX perfstat kernel extension, resulting in a denial of service.

Mitigation and Prevention

In this section, we will discuss steps to mitigate and prevent the impact of CVE-2022-43848.

Immediate Steps to Take

IBM users are advised to apply the necessary security patches provided by IBM to address this vulnerability.

Long-Term Security Practices

Regularly monitor for security updates and patches from IBM to protect against potential vulnerabilities.

Patching and Updates

Keep IBM AIX systems up to date with the latest security patches and updates to mitigate the risk of exploitation.