Buffer overflow in Xen 4.7.x and earlier allows local x86 HVM guest OS administrators on guests running with shadow paging to cause a denial of service via a pagetable update.
http://www.securitytracker.com/id/1036753
http://www.securityfocus.com/bid/92864
http://support.citrix.com/article/CTX216071
https://security.gentoo.org/glsa/201611-09
http://xenbits.xen.org/xsa/xsa187-0001-x86-shadow-Avoid-overflowing-sh_ctxt-seg_reg.patch
http://xenbits.xen.org/xsa/advisory-187.html
http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
http://www.debian.org/security/2016/dsa-3663
Source: Mitre, NVD
Published: 2016-09-21
Updated: 2025-04-12
Base Score: 1.5
Vector: CVSS2#AV:L/AC:M/Au:S/C:N/I:N/A:P
Severity: Low
Base Score: 4.1
Vector: CVSS:3.0/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H
Severity: Medium
EPSS: 0.0007