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Unity Linux 20.1070a Security Update: kernel (UTSA-2025-986439)

medium Nessus Plugin ID 269185

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-2025-986439 advisory.

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

 tty: serial: 8250: serial_cs: Fix a memory leak in error handling path

 In the probe function, if the final 'serial_config()' fails, 'info' is leaking.

 Add a resource handling path to free this memory.

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?d8c4c510

https://nvd.nist.gov/vuln/detail/CVE-2021-47330

Plugin Details

Severity: Medium

ID: 269185

File Name: unity_linux_UTSA-2025-986439.nasl

Version: 1.2

Type: local

Published: 10/7/2025

Updated: 10/15/2025

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

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-2021-47330

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: 9/22/2025

Vulnerability Publication Date: 5/21/2024

Reference Information

CVE: CVE-2021-47330