Xen Vulnerability: Unsafe Combination of Small IOMMU Mappings on AMD x86 Platforms

CVE-2018-19962 · MEDIUM Severity

AV:L/AC:M/AU:N/C:C/I:C/A:C

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.

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