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CVE-2017-17045

Published: 28 November 2017

An issue was discovered in Xen through 4.9.x allowing HVM guest OS users to gain privileges on the host OS, obtain sensitive information, or cause a denial of service (BUG and host OS crash) by leveraging the mishandling of Populate on Demand (PoD) Physical-to-Machine (P2M) errors.

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

8.8

Score breakdown

Status

Package Release Status
xen
Launchpad, Ubuntu, Debian
artful Ignored
(end of life)
bionic
Released (4.9.2-0ubuntu1)
cosmic Not vulnerable
(4.9.2-0ubuntu1)
disco Not vulnerable
(4.9.2-0ubuntu1)
eoan Not vulnerable
(4.9.2-0ubuntu1)
upstream Needs triage

impish Not vulnerable
(4.9.2-0ubuntu1)
groovy Not vulnerable
(4.9.2-0ubuntu1)
hirsute Not vulnerable
(4.9.2-0ubuntu1)
jammy Not vulnerable
(4.9.2-0ubuntu1)
xenial Needed

kinetic Not vulnerable
(4.9.2-0ubuntu1)
lunar Not vulnerable
(4.9.2-0ubuntu1)
focal Not vulnerable
(4.9.2-0ubuntu1)
trusty Does not exist
(trusty was needs-triage)
zesty Ignored
(end of life)
mantic Not vulnerable
(4.9.2-0ubuntu1)
Binaries built from this source package are in Universe and so are supported by the community.

Severity score breakdown

Parameter Value
Base score 8.8
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Scope Changed
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H