vulnerability

Red Hat: CVE-2018-19962: xen: insufficient TLB flushing / improper large page mappings with AMD IOMMUs

Name: Red Hat: CVE-2018-19962: xen: insufficient TLB flushing / improper large page mappings with AMD IOMMUs
Creator: Red Hat
Published: 2018-12-08T00:00:00.000Z
Keywords: CVE, Red Hat, 2018, 19962, xen, no-fix-redhat-rpm-package, Severity 7

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Severity

CVSS

(AV:L/AC:M/Au:N/C:C/I:C/A:C)

Published

Dec 8, 2018

Added

Jul 9, 2025

Modified

Jul 9, 2025

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.

Solution

no-fix-redhat-rpm-package

References

NVD-CVE-2018-19962

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