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Unity Linux 20.1070e Security Update: kernel (UTSA-2025-987559)

medium Nessus Plugin ID 271056

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-2025-987559 advisory.

 In the Linux kernel, the following vulnerability has been resolved:

 usbnet: sanity check for maxpacket

 maxpacket of 0 makes no sense and oopses as we need to divide by it. Give up.

 V2: fixed typo in log and stylistic issues

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?622816db

http://www.nessus.org/u?a0e1ba41

https://nvd.nist.gov/vuln/detail/CVE-2021-47495

Plugin Details

Severity: Medium

ID: 271056

File Name: unity_linux_UTSA-2025-987559.nasl

Version: 1.1

Type: local

Published: 10/21/2025

Updated: 10/21/2025

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Medium

Base Score: 4.6

Temporal Score: 3.4

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

CVSS Score Source: CVE-2021-47495

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/cpu, Host/UOS-Server/release, Host/UOS-Server/rpm-list

Exploit Ease: No known exploits are available

Patch Publication Date: 10/15/2025

Vulnerability Publication Date: 2/5/2024

Reference Information

CVE: CVE-2021-47495