CVE-2017-12137 Information

Description

arch/x86/mm.c in Xen allows local PV guest OS users to gain host OS privileges via vectors related to map_grant_ref.

CVSS Vector

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

Reference

http://www.debian.org/security/2017/dsa-3969 http://www.openwall.com/lists/oss-security/2017/08/15/2 http://www.securityfocus.com/bid/100342 http://www.securitytracker.com/id/1039174 http://xenbits.xen.org/xsa/advisory-227.html https://bugzilla.redhat.com/show_bug.cgi?id=1477657 https://security.gentoo.org/glsa/201801-14 https://support.citrix.com/article/CTX225941

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

CHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

8.8