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Status published
Medium
CVE-2016-7154
Use-after-free vulnerability in the FIFO event channel code in Xen...
Vulnerability Description
Use-after-free vulnerability in the FIFO event channel code in Xen 4.4.x allows local guest OS administrators to cause a denial of service (host crash) and possibly execute arbitrary code or obtain sensitive information via an invalid guest frame number.
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://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
- http://www.securityfocus.com/bid/92863
- http://xenbits.xen.org/xsa/advisory-188.html
- http://www.debian.org/security/2016/dsa-3663
- http://xenbits.xen.org/xsa/xsa188.patch
- http://www.c7zero.info/stuff/csw2017_ExploringYourSystemDeeper_updated.pdf
- http://support.citrix.com/article/CTX216071
- http://www.securitytracker.com/id/1036754
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Affected Vendor
Affected Software
xen
Vulnerable Versions:
4.4.0, 4.4.1, 4.4.2, 4.4.3, 4.4.4
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:U/C:H/I:H/A:H
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.