Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-004015)

medium Nessus Plugin ID 288839

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-2026-004015 advisory.

relay_open in kernel/relay.c in the Linux kernel through 5.4.1 allows local users to cause a denial of service (such as relay blockage) by triggering a NULL alloc_percpu result.

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?48ae8a1a

http://www.nessus.org/u?f758b3de

http://www.nessus.org/u?c935f269

https://lists.debian.org/debian-lts-announce/2020/06/msg00012.html

http://www.nessus.org/u?f53ff2d8

https://security-tracker.debian.org/tracker/CVE-2019-19462

https://security.netapp.com/advisory/ntap-20210129-0004/

http://www.nessus.org/u?f1ed0dc0

http://www.nessus.org/u?80cf0814

http://www.nessus.org/u?7c7e0638

http://www.nessus.org/u?baeab567

https://usn.ubuntu.com/4414-1/

https://usn.ubuntu.com/4425-1/

https://usn.ubuntu.com/4439-1/

https://usn.ubuntu.com/4440-1/

https://www.debian.org/security/2020/dsa-4698

https://www.debian.org/security/2020/dsa-4699

Plugin Details

Severity: Medium

ID: 288839

File Name: unity_linux_UTSA-2026-004015.nasl

Version: 1.2

Type: local

Published: 1/16/2026

Updated: 1/17/2026

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

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-2019-19462

CVSS v3

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 4.8

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/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: 1/16/2026

Vulnerability Publication Date: 11/30/2019

Reference Information

CVE: CVE-2019-19462