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Status published
Medium
CVE-2016-6259
Xen 4.5.x through 4.7.x do not implement Supervisor Mode Access...
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
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Affected Vendor
Affected Software
xen, xenserver
Vulnerable Versions:
4.5.0, 4.5.1, 4.5.2, 4.5.3, 4.6.0, 4.6.1, 4.6.3, 4.7.0, 6.0, 6.0.2, 6.1, 6.2.0, 6.5.0, 7.0
Timeline
Official Publish:
August 2nd, 2016
Last Modified:
August 6th, 2024
Added to House:
July 20th, 2026
CVSS Vectors
V3:
CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.