Fedora 28 : xen (2018-5521156807) (Spectre)

medium Nessus Plugin ID 120435

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Synopsis

The remote Fedora host is missing a security update.

Description

Speculative Store Bypass [XSA-263, CVE-2018-3639]

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-2018-5521156807

Plugin Details

Severity: Medium

ID: 120435

File Name: fedora_2018-5521156807.nasl

Version: 1.5

Type: local

Agent: unix

Published: 1/3/2019

Updated: 1/6/2021

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.9

CVSS v2

Risk Factor: Medium

Base Score: 4.9

Temporal Score: 3.8

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

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

CVSS v3

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 5

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

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

Vulnerability Information

CPE: p-cpe:/a:fedoraproject:fedora:xen, cpe:/o:fedoraproject:fedora:28

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: 5/26/2018

Vulnerability Publication Date: 5/22/2018

Reference Information

CVE: CVE-2018-3639