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Unity Linux 20.1050a / 20.1060a / 20.1070a Security Update: kernel (UTSA-2025-398664)

medium Nessus Plugin ID 267418

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-2025-398664 advisory.

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

 drm/radeon: Fix encoder->possible_clones

 Include the encoder itself in its possible_clones bitmask.
 In the past nothing validated that drivers were populating possible_clones correctly, but that changed in commit 74d2aacbe840 (drm: Validate encoder->possible_clones).
 Looks like radeon never got the memo and is still not following the rules 100% correctly.

 This results in some warnings during driver initialization:
 Bogus possible_clones: [ENCODER:46:TV-46] possible_clones=0x4 (full encoder mask=0x7) WARNING: CPU: 0 PID: 170 at drivers/gpu/drm/drm_mode_config.c:615 drm_mode_config_validate+0x113/0x39c ...

 (cherry picked from commit 3b6e7d40649c0d75572039aff9d0911864c689db)

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?acddac72

https://nvd.nist.gov/vuln/detail/CVE-2024-50201

Plugin Details

Severity: Medium

ID: 267418

File Name: unity_linux_UTSA-2025-398664.nasl

Version: 1.2

Type: local

Published: 10/7/2025

Updated: 10/15/2025

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-2024-50201

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: 7/8/2025

Vulnerability Publication Date: 11/8/2024

Reference Information

CVE: CVE-2024-50201