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Unity Linux 20.1070e Security Update: kernel (UTSA-2025-990900)

medium Nessus Plugin ID 274977

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-2025-990900 advisory.

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

 drm/amd/display: Check null pointers before using dc->clk_mgr

 [WHY & HOW] dc->clk_mgr is null checked previously in the same function, indicating it might be null.

 Passing dc to dc->hwss.apply_idle_power_optimizations, which dereferences null dc->clk_mgr. (The function pointer resolves to dcn35_apply_idle_power_optimizations.)

 This fixes 1 FORWARD_NULL issue reported by Coverity.

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?5a73550c

https://nvd.nist.gov/vuln/detail/CVE-2024-49907

Plugin Details

Severity: Medium

ID: 274977

File Name: unity_linux_UTSA-2025-990900.nasl

Version: 1.1

Type: local

Published: 11/12/2025

Updated: 11/12/2025

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-2024-49907

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: 11/12/2025

Vulnerability Publication Date: 10/21/2024

Reference Information

CVE: CVE-2024-49907