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CVE-2016-2270

Published: 19 February 2016

Xen 4.6.x and earlier allows local guest administrators to cause a denial of service (host reboot) via vectors related to multiple mappings of MMIO pages with different cachability settings.

Notes

AuthorNote
mdeslaur
hypervisor packages are in universe. For
issues in the hypervisor, add appropriate
tags to each section, ex:
Tags_xen: universe-binary

Priority

Medium

Cvss 3 Severity Score

6.8

Score breakdown

Status

Package Release Status
xen
Launchpad, Ubuntu, Debian
precise
Released (4.1.6.1-0ubuntu0.12.04.10)
trusty
Released (4.4.2-0ubuntu0.14.04.5)
upstream Needed

vivid Ignored
(end of life)
wily
Released (4.5.1-0ubuntu1.3)
Binaries built from this source package are in Universe and so are supported by the community.

Severity score breakdown

Parameter Value
Base score 6.8
Attack vector Network
Attack complexity Low
Privileges required High
User interaction None
Scope Changed
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H