CVE-2016-9377

Xen 4.5.x through 4.7.x on AMD systems without the NRip feature, when emulating instructions that generate software interrupts, allows local HVM guest OS users to cause a denial of service (guest crash) by leveraging IDT entry miscalculation.

CVSS v3.0 5.5 MEDIUM
CVSS v2.0 2.1 LOW

5.5^/10

CVSS v3.0 : MEDIUM

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

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

2.1^/10

CVSS v2.0 : LOW

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

Exploitability : 3.9 / Impact : 2.9

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
http://xenbits.xen.org/xsa/advisory-196.html	Vendor Advisory Patch
http://www.securityfocus.com/bid/94475
https://security.gentoo.org/glsa/201612-56
http://www.securitytracker.com/id/1037345

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Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:xen:xen:4.5.0:::::::*
	cpe:2.3:o:xen:xen:4.6.3:::::::*
	cpe:2.3:o:xen:xen:4.6.4:::::::*
	cpe:2.3:o:xen:xen:4.6.0:::::::*
	cpe:2.3:o:xen:xen:4.6.1:::::::*
	cpe:2.3:o:xen:xen:4.5.1:::::::*
	cpe:2.3:o:xen:xen:4.5.2:::::::*
	cpe:2.3:o:xen:xen:4.7.0:::::::*
	cpe:2.3:o:xen:xen:4.7.1:::::::*
	cpe:2.3:o:xen:xen:4.5.3:::::::*
	cpe:2.3:o:xen:xen:4.5.5:::::::*

Information

Published : 2017-02-22 08:59

Updated : 2017-07-27 18:29

NVD link : CVE-2016-9377

Mitre link : CVE-2016-9377

JSON object : View

CWE

CWE-682

Incorrect Calculation

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Products Affected

xen

xen

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