CVE-2016-6259

MediumCVSS 6.2/10Last modified Jun 17, 2026

Description

Xen 4.5.x through 4.7.x do not implement Supervisor Mode Access Prevention (SMAP) whitelisting in 32-bit exception and event delivery, which allows local 32-bit PV guest OS kernels to cause a denial of service (hypervisor and VM crash) by triggering a safety check.

Metrics

CVSS 3.0 6.2/10CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-20

Affected software

No affected versions have been published.

Timeline

Published: Aug 2, 2016
Last modified: Jun 17, 2026
NVD status: Modified

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