Fedora 27 : xen (2017-c432db2971)

high Nessus Plugin ID 105971



The remote Fedora host is missing a security update.


xen: various flaws (#1501391) multiple MSI mapping issues on x86 [XSA-237] DMOP map/unmap missing argument checks [XSA-238] hypervisor stack leak in x86 I/O intercept code [XSA-239] Unlimited recursion in linear pagetable de-typing [XSA-240] Stale TLB entry due to page type release race [XSA-241] page type reference leak on x86 [XSA-242] x86:
Incorrect handling of self-linear shadow mappings with translated guests [XSA-243] x86: Incorrect handling of IST settings during CPU hotplug [XSA-244]

Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website.
Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.


Update the affected xen package.

See Also


Plugin Details

Severity: High

ID: 105971

File Name: fedora_2017-c432db2971.nasl

Version: 1.6

Type: local

Agent: unix

Published: 1/15/2018

Updated: 1/6/2021

Supported Sensors: Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Nessus

Risk Information


Risk Factor: High

Score: 7.3


Risk Factor: High

Base Score: 7.2

Temporal Score: 5.6

Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C


Risk Factor: High

Base Score: 8.8

Temporal Score: 7.9

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:fedoraproject:fedora:xen, cpe:/o:fedoraproject:fedora:27

Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 11/11/2017

Vulnerability Publication Date: 10/18/2017

Reference Information

CVE: CVE-2017-15588, CVE-2017-15589, CVE-2017-15590, CVE-2017-15591, CVE-2017-15592, CVE-2017-15593, CVE-2017-15594, CVE-2017-15595