Nested VT-x Vulnerability in Xen Hypervisor

CVE-2018-18883 · HIGH Severity

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

An issue was discovered in Xen 4.9.x through 4.11.x, on Intel x86 platforms, allowing x86 HVM and PVH guests to cause a host OS denial of service (NULL pointer dereference) or possibly have unspecified other impact because nested VT-x is not properly restricted.

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