CVE-2016-2271 Information

Description

VMX in Xen 4.6.x and earlier when using an Intel or Cyrix CPU allows local HVM guest users to cause a denial of service (guest crash) via vectors related to a non-canonical RIP.

CVSS Vector

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

Reference

http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177990.html http://lists.fedoraproject.org/pipermail/package-announce/2016-March/178518.html http://support.citrix.com/article/CTX209443 http://www.debian.org/security/2016/dsa-3519 http://www.securitytracker.com/id/1035043 http://xenbits.xen.org/xsa/advisory-170.html https://security.gentoo.org/glsa/201604-03

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