Fedora 27 : xen (2018-aec846c0ef) (Spectre)

medium Nessus Plugin ID 110402
New! Vulnerability Priority Rating (VPR)

Tenable calculates a dynamic VPR for every vulnerability. VPR combines vulnerability information with threat intelligence and machine learning algorithms to predict which vulnerabilities are most likely to be exploited in attacks. Read more about what VPR is and how it is different from CVSS.

VPR Score: 5.1

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-aec846c0ef

Plugin Details

Severity: Medium

ID: 110402

File Name: fedora_2018-aec846c0ef.nasl

Version: 1.7

Type: local

Agent: unix

Published: 6/8/2018

Updated: 1/6/2021

Dependencies: ssh_get_info.nasl

Risk Information

Risk Factor: Medium

VPR Score: 5.1

CVSS v2.0

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 v3.0

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: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: 6/7/2018

Vulnerability Publication Date: 5/22/2018

Reference Information

CVE: CVE-2018-3639