CVE-2016-1571

The paging_invlpg function in include/asm-x86/paging.h in Xen 3.3.x through 4.6.x, when using shadow mode paging or nested virtualization is enabled, allows local HVM guest users to cause a denial of service (host crash) via a non-canonical guest address in an INVVPID instruction, which triggers a hypervisor bug check.

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CVSS v3.1

6.3 MEDIUM

EPSS

1.28%

probability of exploitation in 30 days

CISA KEV

Not listed

no confirmed exploitation reported

News coverage

sources referencing this CVE

EPSS Trend

Aug 16, 2026 → Sep 7, 2026

● 0.00pp

1.28% → 1.28% over 7 tracked changes

CVSS v3.1 Detail

Attack VectorNETWORK

Attack ComplexityHIGH

Privileges RequiredLOW

User InteractionNONE

ScopeCHANGED

ConfidentialityNONE

IntegrityNONE

AvailabilityHIGH

CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H

Connections

3 relationships

CWE-17

source

Timeline

disclosure → media coverage

Jan 22, 2016

Disclosure — published as a CVE record. · last revised by NVD May 6, 2026