Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-003996)

high Nessus Plugin ID 288279

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-2026-003996 advisory.

An out-of-bounds memory write flaw was found in how the Linux kernels Voice Over IP H.323 connection tracking functionality handled connections on ipv6 port 1720. This flaw allows an unauthenticated remote user to crash the system, causing a denial of service. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.

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?71d5759c

https://bugs.openvz.org/browse/OVZ-7188

https://bugzilla.redhat.com/show_bug.cgi?id=1850716

http://www.nessus.org/u?426bbc6d

https://security-tracker.debian.org/tracker/CVE-2020-14305

https://security.netapp.com/advisory/ntap-20201210-0004/

Plugin Details

Severity: High

ID: 288279

File Name: unity_linux_UTSA-2026-003996.nasl

Version: 1.2

Type: local

Published: 1/16/2026

Updated: 1/17/2026

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: High

Score: 7.4

CVSS v2

Risk Factor: High

Base Score: 8.3

Temporal Score: 6.5

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

CVSS Score Source: CVE-2020-14305

CVSS v3

Risk Factor: High

Base Score: 8.1

Temporal Score: 7.3

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

Temporal Vector: CVSS:3.0/E:P/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 Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 1/16/2026

Vulnerability Publication Date: 7/25/2020

Reference Information

CVE: CVE-2020-14305