Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-003563)

medium Nessus Plugin ID 286290

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-2026-003563 advisory.

System software utilizing Lazy FP state restore technique on systems using Intel Core-based microprocessors may potentially allow a local process to infer data from another process through a speculative execution side channel.

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?d5eb8f03

http://www.securityfocus.com/bid/104460

http://www.securitytracker.com/id/1041124

http://www.securitytracker.com/id/1041125

https://access.redhat.com/errata/RHSA-2018:1852

https://access.redhat.com/errata/RHSA-2018:1944

https://access.redhat.com/errata/RHSA-2018:2164

https://access.redhat.com/errata/RHSA-2018:2165

https://access.redhat.com/errata/RHSA-2019:1170

https://access.redhat.com/errata/RHSA-2019:1190

http://www.nessus.org/u?148b2157

https://lists.debian.org/debian-lts-announce/2018/07/msg00015.html

https://lists.debian.org/debian-lts-announce/2018/07/msg00016.html

https://nvidia.custhelp.com/app/answers/detail/a_id/4787

https://security-tracker.debian.org/tracker/CVE-2018-3665

https://security.FreeBSD.org/advisories/FreeBSD-SA-18:07.lazyfpu.asc

https://security.netapp.com/advisory/ntap-20181016-0001/

https://security.paloaltonetworks.com/CVE-2018-3665

https://support.citrix.com/article/CTX235745

https://usn.ubuntu.com/3696-1/

https://usn.ubuntu.com/3696-2/

https://usn.ubuntu.com/3698-1/

https://usn.ubuntu.com/3698-2/

https://www.debian.org/security/2018/dsa-4232

http://www.nessus.org/u?d57684ca

https://www.oracle.com/security-alerts/cpujul2020.html

https://www.synology.com/support/security/Synology_SA_18_31

Plugin Details

Severity: Medium

ID: 286290

File Name: unity_linux_UTSA-2026-003563.nasl

Version: 1.2

Type: local

Published: 1/15/2026

Updated: 1/16/2026

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.2

CVSS v2

Risk Factor: Medium

Base Score: 4.7

Temporal Score: 3.5

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

CVSS Score Source: CVE-2018-3665

CVSS v3

Risk Factor: Medium

Base Score: 5.6

Temporal Score: 4.9

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:U/RL:O/RC:C

Vulnerability Information

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

Exploit Ease: No known exploits are available

Patch Publication Date: 1/15/2026

Vulnerability Publication Date: 6/13/2018

Reference Information

CVE: CVE-2018-3665