Learn about CVE-2021-29727, a medium-severity vulnerability in IBM AIX and VIOS systems allowing local users to cause a denial of service. Take immediate steps to mitigate the impact.
This article provides detailed information about CVE-2021-29727, a vulnerability affecting IBM AIX and VIOS systems.
Understanding CVE-2021-29727
CVE-2021-29727 is a vulnerability that could allow a local user to exploit a vulnerability in the AIX kernel, potentially leading to a denial of service on affected systems.
What is CVE-2021-29727?
The CVE-2021-29727 vulnerability affects IBM AIX versions 7.1, 7.2, and VIOS version 3.1. This vulnerability could be exploited by a local user to cause a denial of service on the system.
The Impact of CVE-2021-29727
The impact of CVE-2021-29727 is considered medium severity, with a CVSS base score of 6.2. The availability impact is high, making it crucial to address this vulnerability promptly.
Technical Details of CVE-2021-29727
CVE-2021-29727 is rated as having low attack complexity and a local attack vector. The vulnerability has the potential to disrupt the availability of affected systems.
Vulnerability Description
The vulnerability in IBM AIX and VIOS systems could be exploited by a local user to trigger a denial of service, affecting the availability of the system.
Affected Systems and Versions
Affected products include IBM AIX versions 7.1 and 7.2, as well as VIOS version 3.1. Users of these versions are at risk of exploitation.
Exploitation Mechanism
The exploitation of CVE-2021-29727 involves a local user leveraging a weakness in the AIX kernel to disrupt the normal operation of the system.
Mitigation and Prevention
It is crucial to take immediate steps to address the CVE-2021-29727 vulnerability to secure affected IBM AIX and VIOS systems.
Immediate Steps to Take
Users should apply the official fix provided by IBM to remediate the vulnerability and prevent potential denial of service attacks.
Long-Term Security Practices
Implementing comprehensive security measures and staying updated on security bulletins can help prevent future vulnerabilities and protect system integrity.
Patching and Updates
Regularly update IBM AIX and VIOS systems with the latest patches and security updates to mitigate the risk of exploitation.