CVE-2016-9932 Information

Description

CMPXCHG8B emulation in Xen 3.3.x through 4.7.x on x86 systems allows local HVM guest OS users to obtain sensitive information from host stack memory via a \supposedly-ignored\ operand size prefix.

CVSS Vector

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

Reference

http://www.debian.org/security/2017/dsa-3847 http://www.securityfocus.com/bid/94863 http://www.securitytracker.com/id/1037468 http://xenbits.xen.org/xsa/advisory-200.html https://security.gentoo.org/glsa/201612-56 https://support.citrix.com/article/CTX219378

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

LOW

Availability Impact

NONE

Base Score

NONE

Base Severity

3.3