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CVE-2016-1571

N/A

Published: January 22, 2016 at 03:00 PM UTC

Updated: June 17, 2026 at 12:42 AM UTC

2 products affected across 2 vendorsXenXenServer

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Severity

N/A

Exploit prediction

EPSS 1%

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

XenServer · Citrix

95%

v ≤ 6.5sp1

Xen · Xenwordpress-plugin

95%

3.3.0 3.3.1 3.3.2 3.4.0 3.4.1 3.4.2 3.4.3 3.4.4 4.1.0 4.1.1 4.1.2 4.1.3 4.1.4 4.1.5 4.1.6 4.1.6.1 4.2.0 4.2.1 4.2.2 4.2.3 4.2.4 4.2.5 4.3.0 4.3.1 4.3.2 4.3.3 4.3.4 4.4.0 4.4.0 rc1 4.4.1 4.4.2 4.4.3 4.5.0 4.5.1 4.5.2 4.6.0

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (4)

x_refsource_CONFIRMThird Party Advisory

Source: [email protected]

http://support.citrix.com/article/CTX205496

Vendor Advisoryx_refsource_DEBIAN

Source: [email protected]

http://www.debian.org/security/2016/dsa-3519

VDB Entryx_refsource_SECTRACKThird Party Advisory

Source: [email protected]

http://www.securitytracker.com/id/1034745

x_refsource_CONFIRMVendor Advisory

Source: [email protected]

http://xenbits.xen.org/xsa/advisory-168.html

CVSS

4.7MEDIUM[email protected]

Confidentiality: NONE
Integrity: NONE
Availability: COMPLETE

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-17

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