CVE-2016-7154

MEDIUM

Xen 4.4.x - Use-After-Free in FIFO Event Channel Code

Title source: llm
STIX 2.1

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.

References (8)

Core 8
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/92863
Patch, Vendor Advisory x_refsource_confirm
http://xenbits.xen.org/xsa/advisory-188.html
Third Party Advisory vendor-advisory x_refsource_debian
http://www.debian.org/security/2016/dsa-3663
Patch x_refsource_confirm
http://xenbits.xen.org/xsa/xsa188.patch
Third Party Advisory x_refsource_confirm
http://support.citrix.com/article/CTX216071
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id/1036754

Scores

CVSS v3 6.7
EPSS 0.0010
EPSS Percentile 27.1%
Attack Vector LOCAL
CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-416
Status published
Products (5)
xen/xen 4.4.0
xen/xen 4.4.1
xen/xen 4.4.2
xen/xen 4.4.3
xen/xen 4.4.4
Published Sep 21, 2016
Tracked Since Feb 18, 2026