An issue was discovered in Xen through 4.10.x allowing x86 PV guest OS users to cause a denial of service (host OS CPU hang) via non-preemptable L3/L4 pagetable freeing.
https://www.debian.org/security/2018/dsa-4131
https://security.gentoo.org/glsa/201810-06
https://lists.debian.org/debian-lts-announce/2018/03/msg00003.html
https://xenbits.xen.org/xsa/advisory-252.html
https://support.citrix.com/article/CTX232655
https://support.citrix.com/article/CTX232096
https://lists.debian.org/debian-lts-announce/2018/11/msg00013.html
http://www.securitytracker.com/id/1040773
http://www.securityfocus.com/bid/103174
Source: Mitre, NVD
Published: 2018-02-27
Updated: 2024-11-21
Base Score: 4.9
Vector: CVSS2#AV:L/AC:L/Au:N/C:N/I:N/A:C
Severity: Medium
Base Score: 6.5
Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
EPSS: 0.0009