Xen Multiple Vulnerabilities (Spectre) (Meltdown) (XSA-254)

Medium Nessus Plugin ID 106902


The remote Xen hypervisor installation is missing a security update.


According to its self-reported version number, the Xen hypervisor installed on the remote host is affected by multiple vulnerabilities.

Note that Nessus has checked the changeset versions based on the xen.git change log. Nessus did not check guest hardware configurations or if patches were applied manually to the source code before a recompile and reinstall.


Apply the appropriate patch according to the vendor advisory.

See Also



Plugin Details

Severity: Medium

ID: 106902

File Name: xen_server_XSA-254.nasl

Version: $Revision: 1.3 $

Type: local

Family: Misc.

Published: 2018/02/20

Modified: 2018/02/22

Dependencies: 78089

Risk Information

Risk Factor: Medium


Base Score: 4.7

Temporal Score: 4.5

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

Temporal Vector: CVSS2#E:F/RL:ND/RC:ND


Base Score: 7.1

Temporal Score: 6.9

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

Temporal Vector: CVSS:3.0/E:F/RL:X/RC:X

Vulnerability Information

CPE: cpe:/o:xen:xen

Required KB Items: installed_sw/Xen Hypervisor, Settings/ParanoidReport

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 2018/02/14

Vulnerability Publication Date: 2018/01/02

Reference Information

CVE: CVE-2017-5715, CVE-2017-5753, CVE-2017-5754

BID: 102371, 102376, 102378

OSVDB: 171888, 171894, 171897

IAVA: 2018-A-0019, 2018-A-0020