Unity Linux 20.1070e Security Update: kernel (UTSA-2026-013317)

medium Nessus Plugin ID 308138

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-2026-013317 advisory.

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

Revert Bluetooth: btsdio: fix use after free bug in btsdio_remove due to unfinished work

This reverts commit 1e9ac114c4428fdb7ff4635b45d4f46017e8916f.

This patch introduces a possible null-ptr-def problem. Revert it. And the fixed bug by this patch have resolved by commit 73f7b171b7c0 (Bluetooth:
btsdio: fix use after free bug in btsdio_remove due to race condition).

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?434d9478

http://www.nessus.org/u?14b0786a

https://nvd.nist.gov/vuln/detail/CVE-2023-54197

Plugin Details

Severity: Medium

ID: 308138

File Name: unity_linux_UTSA-2026-013317.nasl

Version: 1.1

Type: Local

Published: 4/21/2026

Updated: 4/21/2026

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

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-2023-54197

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: 4/21/2026

Vulnerability Publication Date: 12/30/2025

Reference Information

CVE: CVE-2023-54197