CVE-2017-10923 Information

Description

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 Vector

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Reference

http://www.securityfocus.com/bid/99160 http://www.securitytracker.com/id/1038735 https://security.gentoo.org/glsa/201708-03 https://xenbits.xen.org/xsa/advisory-225.html

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

6.5