Cloud Defense Logo

Products

Solutions

Company

Book A Live Demo

CVE-2018-10853 : Security Advisory and Response

Learn about CVE-2018-10853, a vulnerability in the Linux kernel's KVM hypervisor allowing unprivileged users to escalate privileges. Find mitigation steps and patching advice here.

A vulnerability was discovered in the manner in which the KVM hypervisor of the Linux kernel prior to version 4.18 emulated certain instructions, potentially allowing privilege escalation for unprivileged users or processes.

Understanding CVE-2018-10853

This CVE entry pertains to a flaw in the Linux kernel's KVM hypervisor that could be exploited by unprivileged users to elevate their privileges.

What is CVE-2018-10853?

The vulnerability in the Linux kernel's KVM hypervisor, before version 4.18, allowed unprivileged users or processes to potentially escalate their privileges by exploiting the way certain instructions were emulated.

The Impact of CVE-2018-10853

The impact of this vulnerability is rated as HIGH, with a CVSS base score of 7.0. It could lead to confidentiality, integrity, and availability issues within affected systems.

Technical Details of CVE-2018-10853

This section provides more technical insights into the vulnerability.

Vulnerability Description

The flaw in the Linux kernel's KVM hypervisor allowed unprivileged users to exploit the emulation of specific instructions, potentially leading to privilege escalation.

Affected Systems and Versions

        Product: Kernel
        Vendor: Linux
        Versions Affected: 4.18

Exploitation Mechanism

        Attack Complexity: HIGH
        Attack Vector: LOCAL
        Privileges Required: LOW
        User Interaction: NONE
        Scope: UNCHANGED
        Impact: HIGH
        Vector String: CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Mitigation and Prevention

To address CVE-2018-10853, consider the following mitigation strategies:

Immediate Steps to Take

        Apply relevant security updates promptly
        Monitor for any unusual system behavior
        Restrict access to vulnerable systems

Long-Term Security Practices

        Regularly update and patch systems
        Implement the principle of least privilege
        Conduct security training and awareness programs

Patching and Updates

        Refer to vendor advisories for patch availability
        Keep systems up to date with the latest security fixes

Popular CVEs

CVE Id

Published Date

Is your System Free of Underlying Vulnerabilities?
Find Out Now