CVE-2016-9381

HIGH

QEMU < 2.7.1 - Race Condition via Shared Ring Data Manipulation

Title source: llm
STIX 2.1

Description

Race condition in QEMU in Xen allows local x86 HVM guest OS administrators to gain privileges by changing certain data on shared rings, aka a "double fetch" vulnerability.

References (5)

Core 5
Core References
Third Party Advisory x_refsource_confirm
http://xenbits.xen.org/xsa/advisory-197.html
Third Party Advisory vendor-advisory x_refsource_gentoo
https://security.gentoo.org/glsa/201612-56
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/94476
Third Party Advisory x_refsource_confirm
https://support.citrix.com/article/CTX218775
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id/1037344

Scores

CVSS v3 7.5
EPSS 0.0010
EPSS Percentile 28.0%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H

Details

CWE
CWE-362
Status published
Products (6)
citrix/xenserver 6.0.2
citrix/xenserver 6.2.0
citrix/xenserver 6.5
citrix/xenserver 7.0
qemu/qemu 2.8.0 rc0
qemu/qemu < 2.7.1
Published Jan 23, 2017
Tracked Since Feb 18, 2026