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Status published
High
CVE-2016-7093
Xen 4.5.3, 4.6.3, and 4.7.x allow local HVM guest OS...
Vulnerability Description
Xen 4.5.3, 4.6.3, and 4.7.x allow local HVM guest OS administrators to overwrite hypervisor memory and consequently gain host OS privileges by leveraging mishandling of instruction pointer truncation during emulation.
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
- http://xenbits.xen.org/xsa/advisory-186.html
- http://www.securityfocus.com/bid/92865
- http://xenbits.xen.org/xsa/xsa186-0001-x86-emulate-Correct-boundary-interactions-of-emulate.patch
- http://support.citrix.com/article/CTX216071
- http://www.securitytracker.com/id/1036752
- https://security.gentoo.org/glsa/201611-09
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Affected Vendor
Affected Software
xen
Vulnerable Versions:
4.5.3, 4.6.3, 4.7.0
Timeline
Official Publish:
September 21st, 2016
Last Modified:
August 6th, 2024
Added to House:
July 20th, 2026
CVSS Vectors
V3:
CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.