CVE-2017-12137

high

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.

References

https://bugzilla.redhat.com/show_bug.cgi?id=1477657

https://security.gentoo.org/glsa/201801-14

https://support.citrix.com/article/CTX225941

http://www.debian.org/security/2017/dsa-3969

http://www.openwall.com/lists/oss-security/2017/08/15/2

http://www.securitytracker.com/id/1039174

http://xenbits.xen.org/xsa/advisory-227.html

Details

Published: 2017-08-24

Risk Information

CVSS v2

Base Score: 7.2

Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 8.8

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

Severity: High