CVE-2016-5242

The p2m_teardown function in arch/arm/p2m.c in Xen 4.4.x through 4.6.x allows local guest OS users with access to the driver domain to cause a denial of service (NULL pointer dereference and host OS crash) by creating concurrent domains and holding references to them, related to VMID exhaustion.

CVSS v3.0 5.6 MEDIUM
CVSS v2.0 4.7 MEDIUM

5.6^/10

CVSS v3.0 : MEDIUM

Vector : AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H

Exploitability : 1.1 / Impact : 4.0

Attack Vector LOCAL

Attack Complexity HIGH

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope CHANGED

4.7^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 3.4 / Impact : 6.9

Access Vector LOCAL

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact COMPLETE

References

Link	Resource
http://xenbits.xen.org/xsa/advisory-181.html	Vendor Advisory
http://www.securitytracker.com/id/1036035
http://www.securityfocus.com/bid/91015
http://www.debian.org/security/2016/dsa-3633

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Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:xen:xen:4.5.3:::::::*
	cpe:2.3:o:xen:xen:4.5.2:::::::*
	cpe:2.3:o:xen:xen:4.4.0:::::::*
	cpe:2.3:o:xen:xen:4.5.1:::::::*
	cpe:2.3:o:xen:xen:4.5.0:::::::*
	cpe:2.3:o:xen:xen:4.4.4:::::::*
	cpe:2.3:o:xen:xen:4.4.3:::::::*
	cpe:2.3:o:xen:xen:4.4.2:::::::*
	cpe:2.3:o:xen:xen:4.6.1:::::::*
	cpe:2.3:o:xen:xen:4.6.0:::::::*
	cpe:2.3:o:xen:xen:4.4.1:::::::*
	cpe:2.3:o:xen:xen:4.4.0:rc1::::::

Information

Published : 2016-06-07 07:06

Updated : 2016-11-28 12:23

NVD link : CVE-2016-5242

Mitre link : CVE-2016-5242

JSON object : View

CWE

NVD-CWE-Other

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Products Affected

xen

xen

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