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CVE-2016-9381

Date: January 23, 2017

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.

Language: C

Severity Score

7.5

Related Resources (9)

Url: http://xenbits.xen.org/xsa/advisory-197.html

Url: http://www.securityfocus.com/bid/94476

Url: https://support.citrix.com/article/CTX218775

Url: http://www.securitytracker.com/id/1037344

Url: https://security.gentoo.org/glsa/201612-56

Url: https://people.canonical.com/~ubuntu-security/cve/CVE-2016-9381

Url: https://security-tracker.debian.org/tracker/CVE-2016-9381

Url: https://nvd.nist.gov/vuln/detail/CVE-2016-9381

Url: https://www.mend.io/vulnerability-database/CVE-2016-9381

Severity Score

7.5

Weakness Type (CWE)

Permissions, Privileges, and Access Control

CWE-264

Race Conditions

CWE-362

CVSS v3.1

Base Score:	7.5
Attack Vector (AV):	LOCAL
Attack Complexity (AC):	HIGH
Privileges Required (PR):	HIGH
User Interaction (UI):	NONE
Scope (S):	CHANGED
Confidentiality (C):	HIGH
Integrity (I):	HIGH
Availability (A):	HIGH

CVSS v2

Base Score:	6.9
Access Vector (AV):	LOCAL
Access Complexity (AC):	MEDIUM
Authentication (AU):	NONE
Confidentiality (C):	COMPLETE
Integrity (I):	COMPLETE
Availability (A):	COMPLETE
Additional information:

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