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Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-006989)

medium Nessus Plugin ID 308178

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-2026-006989 advisory.

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

 perf/smmuv3: Fix hotplug callback leak in arm_smmu_pmu_init()

 arm_smmu_pmu_init() won't remove the callback added by cpuhp_setup_state_multi() when platform_driver_register() failed. Remove the callback by cpuhp_remove_multi_state() in fail path.

 Similar to the handling of arm_ccn_init() in commit 26242b330093 (bus:
 arm-ccn: Prevent hotplug callback leak)

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?1a7c2911

http://www.nessus.org/u?ff233803

https://nvd.nist.gov/vuln/detail/CVE-2022-50510

Plugin Details

Severity: Medium

ID: 308178

File Name: unity_linux_UTSA-2026-006989.nasl

Version: 1.1

Type: Local

Published: 4/21/2026

Updated: 4/21/2026

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-2022-50510

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/UOS-Server/release, Host/UOS-Server/rpm-list, Host/cpu

Exploit Ease: No known exploits are available

Patch Publication Date: 4/8/2026

Vulnerability Publication Date: 7/21/2021

Reference Information

CVE: CVE-2022-50510