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Unity Linux 20.1070a Security Update: kernel (UTSA-2025-989407)

medium Nessus Plugin ID 273172

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-2025-989407 advisory.

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

 drm/amd/display: Avoid NULL dereference of timing generator

 [Why & How] Check whether assigned timing generator is NULL or not before accessing its funcs to prevent NULL dereference.

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?797e65ca

https://nvd.nist.gov/vuln/detail/CVE-2023-52753

Plugin Details

Severity: Medium

ID: 273172

File Name: unity_linux_UTSA-2025-989407.nasl

Version: 1.1

Type: local

Published: 11/5/2025

Updated: 11/5/2025

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-2023-52753

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: 11/5/2025

Vulnerability Publication Date: 1/9/2024

Reference Information

CVE: CVE-2023-52753