CVE-2017-10923

Xen through 4.8.x does not validate a vCPU array index upon the sending of an SGI, which allows guest OS users to cause a denial of service (hypervisor crash), aka XSA-225.

CVSS v3.0 6.5 MEDIUM
CVSS v2.0 5.0 MEDIUM

6.5^/10

CVSS v3.0 : MEDIUM

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

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://xenbits.xen.org/xsa/advisory-225.html	Mailing List Mitigation Vendor Advisory
http://www.securityfocus.com/bid/99160	Tool Signature VDB Entry
http://www.securitytracker.com/id/1038735	Third Party Advisory VDB Entry
https://security.gentoo.org/glsa/201708-03

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Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:xen:xen:4.6.0:::::::*
	cpe:2.3:o:xen:xen:4.8.1:::::::*
	cpe:2.3:o:xen:xen:4.7.1:::::::*
	cpe:2.3:o:xen:xen:4.8.0:::::::*
	cpe:2.3:o:xen:xen:4.6.4:::::::*
	cpe:2.3:o:xen:xen:4.6.5:::::::*
	cpe:2.3:o:xen:xen:4.6.1:::::::*
	cpe:2.3:o:xen:xen:4.6.2:::::::*

Information

Published : 2017-07-04 18:29

Updated : 2017-08-21 18:29

NVD link : CVE-2017-10923

Mitre link : CVE-2017-10923

JSON object : View

CWE

CWE-20

Improper Input Validation

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Products Affected

xen

xen

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