CVE-2016-9377 Information

Description

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 Vector

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

Reference

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

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

5.5