CVE-2018-10872 : Vulnerability Insights and Analysis

A vulnerability in the Linux kernel's exception handling could allow an unprivileged user to crash the kernel, leading to a denial-of-service situation.

Understanding CVE-2018-10872

This CVE involves a vulnerability in the Linux kernel's handling of exceptions that occur after a stack switch operation through specific instructions.

What is CVE-2018-10872?

The vulnerability allows unprivileged system users to crash the kernel, resulting in a denial-of-service (DoS) situation.

The Impact of CVE-2018-10872

CVSS Base Score: 6.5 (Medium Severity)
Attack Vector: Local
Attack Complexity: Low
Availability Impact: High
Scope: Changed
The vulnerability is a regression of CVE-2018-8897 in the Red Hat Enterprise Linux 6.10 GA kernel.

Technical Details of CVE-2018-10872

The technical aspects of the vulnerability in the Linux kernel.

Vulnerability Description

The vulnerability occurs during exceptions after a stack switch operation through specific instructions.

Affected Systems and Versions

Affected Product: Linux kernel
Affected Vendor: Linux
Affected Version: Not applicable

Exploitation Mechanism

Unprivileged system users can exploit the vulnerability to crash the kernel, causing a DoS situation.

Mitigation and Prevention

Steps to mitigate and prevent exploitation of CVE-2018-10872.

Immediate Steps to Take

Apply patches provided by the vendor promptly.
Monitor vendor advisories for updates and security alerts.

Long-Term Security Practices

Regularly update and patch the Linux kernel and related software.
Implement least privilege access controls to limit system user capabilities.
Conduct regular security assessments and audits.

Patching and Updates

Refer to vendor advisories for specific patching instructions and updates.