CVE-2016-9381

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.

CVSS v3.0 7.5 HIGH
CVSS v2.0 6.9 MEDIUM

7.5^/10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 0.8 / Impact : 6.0

Attack Vector LOCAL

Attack Complexity HIGH

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope CHANGED

6.9^/10

CVSS v2.0 : MEDIUM

V2 Legend

Vector : AV:L/AC:M/Au:N/C:C/I:C/A:C

Exploitability : 3.4 / Impact : 10.0

Access Vector LOCAL

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
https://support.citrix.com/article/CTX218775	Third Party Advisory
http://xenbits.xen.org/xsa/advisory-197.html	Third Party Advisory
http://www.securitytracker.com/id/1037344	Third Party Advisory VDB Entry
http://www.securityfocus.com/bid/94476	Third Party Advisory VDB Entry
https://security.gentoo.org/glsa/201612-56	Third Party Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:qemu:qemu::::::::
	cpe:2.3:a:qemu:qemu:2.8.0:rc0::::::

Configuration 2 (hide)

OR	cpe:2.3:a:citrix:xenserver:6.5:::::::*
	cpe:2.3:a:citrix:xenserver:6.2.0:::::::*
	cpe:2.3:a:citrix:xenserver:7.0:::::::*
	cpe:2.3:a:citrix:xenserver:6.0.2:::::::*

Information

Published : 2017-01-23 13:59

Updated : 2020-10-23 09:29

NVD link : CVE-2016-9381

Mitre link : CVE-2016-9381

JSON object : View

CWE

CWE-362

Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

Products Affected

citrix

xenserver

qemu

qemu

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7.5 /10