Unity Linux 20.1060a Security Update: kernel (UTSA-2026-002920)

medium Nessus Plugin ID 284984

Synopsis

The Unity Linux host is missing one or more security updates.

Description

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-002920 advisory.

Microarchitectural Fill Buffer Data Sampling (MFBDS): Fill buffers on some microprocessors utilizing speculative execution may allow an authenticated user to potentially enable information disclosure via a side channel with local access. A list of impacted products can be found here:
https://www.intel.com/content/dam/www/public/us/en/documents/corporate-information/SA00233-microcode- update-guidance_05132019.pdf

Tenable has extracted the preceding description block directly from the Unity Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Update the affected kernel package.

See Also

http://www.nessus.org/u?ae5b211f

http://www.nessus.org/u?8e96ec79

http://www.nessus.org/u?be8e73f1

http://www.nessus.org/u?e336b6be

http://www.nessus.org/u?5a31e7ee

http://www.arubanetworks.com/assets/alert/ARUBA-PSA-2019-003.txt

http://www.nessus.org/u?74f7eaab

https://access.redhat.com/errata/RHSA-2019:1455

https://access.redhat.com/errata/RHSA-2019:2553

https://cert-portal.siemens.com/productcert/pdf/ssa-608355.pdf

https://cert-portal.siemens.com/productcert/pdf/ssa-616472.pdf

https://kc.mcafee.com/corporate/index?page=content&id=SB10292

https://lists.debian.org/debian-lts-announce/2019/06/msg00018.html

http://www.nessus.org/u?c7682255

https://seclists.org/bugtraq/2019/Jun/28

https://seclists.org/bugtraq/2019/Jun/36

https://seclists.org/bugtraq/2019/Nov/15

https://seclists.org/bugtraq/2019/Nov/16

https://seclists.org/bugtraq/2020/Jan/21

https://security-tracker.debian.org/tracker/CVE-2018-12130

https://security.FreeBSD.org/advisories/FreeBSD-SA-19:26.mcu.asc

https://security.gentoo.org/glsa/202003-56

https://usn.ubuntu.com/3977-3/

https://www.debian.org/security/2020/dsa-4602

https://www.freebsd.org/security/advisories/FreeBSD-SA-19:07.mds.asc

http://www.nessus.org/u?6b4b7f90

https://www.synology.com/security/advisory/Synology_SA_19_24

Plugin Details

Severity: Medium

ID: 284984

File Name: unity_linux_UTSA-2026-002920.nasl

Version: 1.1

Type: local

Published: 1/15/2026

Updated: 1/15/2026

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.0

CVSS v2

Risk Factor: Medium

Base Score: 4.7

Temporal Score: 3.7

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

CVSS Score Source: CVE-2018-12130

CVSS v3

Risk Factor: Medium

Base Score: 5.6

Temporal Score: 5.1

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

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

Vulnerability Information

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/UOS-Server/release, Host/UOS-Server/rpm-list

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 1/15/2026

Vulnerability Publication Date: 5/9/2019

Reference Information

CVE: CVE-2018-12130