Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-003124)

medium Nessus Plugin ID 287384

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-2026-003124 advisory.

Improper invalidation for page table updates by a virtual guest operating system for multiple Intel(R) Processors may allow an authenticated user to potentially enable denial of service of the host system via local access.

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?2c972ba5

http://www.nessus.org/u?856d1c76

https://access.redhat.com/errata/RHSA-2019:3916

https://access.redhat.com/errata/RHSA-2019:3936

https://access.redhat.com/errata/RHSA-2019:3941

https://access.redhat.com/errata/RHSA-2020:0026

https://access.redhat.com/errata/RHSA-2020:0028

https://access.redhat.com/errata/RHSA-2020:0204

http://www.nessus.org/u?86d0a107

http://www.nessus.org/u?c26d689a

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

https://security-tracker.debian.org/tracker/CVE-2018-12207

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

http://www.nessus.org/u?0b5acd01

https://usn.ubuntu.com/4186-2/

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

http://www.nessus.org/u?f22dc905

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

Plugin Details

Severity: Medium

ID: 287384

File Name: unity_linux_UTSA-2026-003124.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: 4.9

Temporal Score: 3.6

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

CVSS Score Source: CVE-2018-12207

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.7

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

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: 11/12/2019

Reference Information

CVE: CVE-2018-12207