Fedora 26 : xen (2017-5bcddc1984)

high Nessus Plugin ID 104310
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VPR Score: 7.3

Synopsis

The remote Fedora host is missing a security update.

Description

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]

----

ARM: Some memory not scrubbed at boot [XSA-245] Qemu: vga: reachable assert failure during during display update [CVE-2017-13673] (#1486591) Qemu: vga: OOB read access during display update [CVE-2017-13672] (#1486562)

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.

Solution

Update the affected xen package.

See Also

https://bodhi.fedoraproject.org/updates/FEDORA-2017-5bcddc1984

Plugin Details

Severity: High

ID: 104310

File Name: fedora_2017-5bcddc1984.nasl

Version: 3.6

Type: local

Agent: unix

Published: 11/1/2017

Updated: 1/6/2021

Dependencies: ssh_get_info.nasl

Risk Information

Risk Factor: High

VPR Score: 7.3

CVSS v2.0

Base Score: 7.2

Temporal Score: 5.6

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

Temporal Vector: E:POC/RL:OF/RC:C

CVSS v3.0

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: E:P/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:fedoraproject:fedora:xen, cpe:/o:fedoraproject:fedora:26

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: 10/31/2017

Vulnerability Publication Date: 8/29/2017

Reference Information

CVE: CVE-2017-13672, CVE-2017-13673, CVE-2017-15588, CVE-2017-15589, CVE-2017-15590, CVE-2017-15591, CVE-2017-15592, CVE-2017-15593, CVE-2017-15594, CVE-2017-15595