CVE-2019-10142 : Vulnerability Insights and Analysis

A vulnerability in the Linux kernel's freescale hypervisor manager implementation could allow attackers to cause system crashes, memory corruption, or trigger other security issues.

Understanding CVE-2019-10142

This CVE involves a flaw in the validation of a parameter passed to an ioctl in the Linux kernel.

What is CVE-2019-10142?

The vulnerability in the Linux kernel's freescale hypervisor manager implementation, versions 5.0.x except 5.0.17, allows for inaccurate size calculations, potentially leading to system compromise.

The Impact of CVE-2019-10142

Exploiting this vulnerability could result in system crashes, memory corruption, and other negative security consequences, posing a high risk to confidentiality and availability.

Technical Details of CVE-2019-10142

The following technical details outline the specifics of this CVE.

Vulnerability Description

The flaw arises from incorrect validation of a parameter passed to an ioctl, leading to inaccurate size calculations for page size calculation.

Affected Systems and Versions

Product: Kernel
Vendor: RedHat
Versions affected: 5.0.x up to, excluding 5.0.17

Exploitation Mechanism

Attack Complexity: Low
Attack Vector: Local
Privileges Required: Low
User Interaction: None
Scope: Unchanged
Confidentiality Impact: High
Integrity Impact: None
Availability Impact: High

Mitigation and Prevention

Protect your systems from CVE-2019-10142 with the following measures.

Immediate Steps to Take

Apply vendor patches promptly
Monitor vendor channels for updates
Implement least privilege access

Long-Term Security Practices

Regularly update and patch systems
Conduct security assessments and audits

Patching and Updates

Check for and apply patches from RedHat
Stay informed about security advisories and updates