arch/x86/mm.c in Xen allows local PV guest OS users to gain host OS privileges via vectors related to map_grant_ref.
https://support.citrix.com/article/CTX225941
https://security.gentoo.org/glsa/201801-14
https://bugzilla.redhat.com/show_bug.cgi?id=1477657
http://www.securitytracker.com/id/1039174
http://www.securityfocus.com/bid/100342
http://www.openwall.com/lists/oss-security/2017/08/15/2
http://www.debian.org/security/2017/dsa-3969
http://xenbits.xen.org/xsa/advisory-227.html
Source: Mitre, NVD
Published: 2017-08-24
Updated: 2025-04-20
Base Score: 7.2
Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C
Severity: High
Base Score: 8.8
Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
EPSS: 0.00099