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CVE-2016-9381 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:7.5 HIGHVector:CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://security.gentoo.org/glsa/201612-56	CVE	Third Party Advisory
https://support.citrix.com/article/CTX218775	CVE	Third Party Advisory
http://www.securityfocus.com/bid/94476	CVE	Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1037344	CVE	Third Party AdvisoryVDB Entry
http://xenbits.xen.org/xsa/advisory-197.html	CVE	Third Party Advisory
https://security.gentoo.org/glsa/201612-56	[email protected]	Third Party Advisory
https://support.citrix.com/article/CTX218775	[email protected]	Third Party Advisory
http://www.securityfocus.com/bid/94476	[email protected]	Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1037344	[email protected]	Third Party AdvisoryVDB Entry
http://xenbits.xen.org/xsa/advisory-197.html	[email protected]	Third Party Advisory

see all 10 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-362	Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')	[email protected]

Affected Products

Product	Versions
qemu qemu	<= 2.7.1 2.8.0 rc0
CPE cpe:2.3:a:qemu:qemu:::::::: cpe:2.3:a:qemu:qemu:2.8.0:rc0:::::: Remediation No remediation found in references.
citrix xenserver	6.0.2 6.2.0 6.5 7.0
CPE cpe:2.3:a:citrix:xenserver:6.0.2:::::::* cpe:2.3:a:citrix:xenserver:6.2.0:::::::* cpe:2.3:a:citrix:xenserver:6.5:::::::* cpe:2.3:a:citrix:xenserver:7.0:::::::* Remediation No remediation found in references.

Change History

9 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
May 13, 2026	CVE Status Change	[email protected]
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Oct 23, 2020	Modified Analysis	[email protected]
Jul 1, 2017	CVE Modified	[email protected]
Jan 26, 2017	Modified Analysis	[email protected]
Jan 26, 2017	CVE Modified	[email protected]
Jan 25, 2017	Initial Analysis	[email protected]