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CVE-2018-19962

7.8 · HIGH
Published Dec 8, 2018 xen CWE-200 EPSS 0.41% (34th pctl)

Overview

CVE-2018-19962 is a high-severity vulnerability affecting xen xen. It was published on December 8, 2018 and has a CVSS 3.0 base score of 7.8 (HIGH).

This vulnerability has a CVSS 3.0 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical Description

An issue was discovered in Xen through 4.11.x on AMD x86 platforms, possibly allowing guest OS users to gain host OS privileges because small IOMMU mappings are unsafely combined into larger ones.

Remediation

Check the references section for vendor advisories and patches from xen. Update xen to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected Products

Vendor Product Versions Status
xen xen 0 Affected

Frequently Asked Questions

What is CVE-2018-19962?

CVE-2018-19962 is a high-severity vulnerability affecting xen xen. It was published on December 8, 2018 and has a CVSS 3.0 base score of 7.8 (HIGH).

How severe is CVE-2018-19962?

This vulnerability has a CVSS 3.0 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2018-19962?

Check the references section for vendor advisories and patches from xen. Update xen to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2018-19962?

CyberStrike's AI-powered security agents can automatically detect CVE-2018-19962 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.