CVE-2022-21385 : What You Need to Know

A flaw in net_rds_alloc_sgs() in Oracle Linux kernels has been identified, allowing unprivileged local users to crash the system with a CVSS 3.1 Base Score of 6.2 (Availability impacts).

Understanding CVE-2022-21385

This section provides insights into the nature and impact of the vulnerability.

What is CVE-2022-21385?

The vulnerability in net_rds_alloc_sgs() within Oracle Linux kernels permits unprivileged local users to cause a system crash.

The Impact of CVE-2022-21385

With a CVSS 3.1 Base Score of 6.2, this flaw has a medium severity level with a high availability impact but no impact on confidentiality or integrity.

Technical Details of CVE-2022-21385

Explore the technical aspects of the CVE to understand its implications.

Vulnerability Description

The flaw in net_rds_alloc_sgs() allows local users without privileges to disrupt the system, posing a risk to system availability.

Affected Systems and Versions

The vulnerability affects Oracle Linux with all versions, exposing them to potential crashes by unauthorized local users.

Exploitation Mechanism

Local users can exploit this vulnerability to crash the system, potentially leading to denial of service situations.

Mitigation and Prevention

Discover the necessary steps to mitigate the impact of CVE-2022-21385 and prevent future occurrences.

Immediate Steps to Take

It is crucial to apply security patches promptly and monitor system behavior for any signs of exploitation.

Long-Term Security Practices

Implement strong security measures, access controls, and user permissions to reduce the risk of unauthorized system disruptions.

Patching and Updates

Regularly update Oracle Linux systems with the latest patches and follow security best practices to enhance system resilience.