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Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2025-992376)

medium Nessus Plugin ID 280457

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-2025-992376 advisory.

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

 drivers/md/md-bitmap: check the return value of md_bitmap_get_counter()

 Check the return value of md_bitmap_get_counter() in case it returns NULL pointer, which will result in a null pointer dereference.

 v2: update the check to include other 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?00828abe

http://www.nessus.org/u?5e4bd28d

https://nvd.nist.gov/vuln/detail/CVE-2022-50402

Plugin Details

Severity: Medium

ID: 280457

File Name: unity_linux_UTSA-2025-992376.nasl

Version: 1.1

Type: local

Published: 12/30/2025

Updated: 12/30/2025

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-2022-50402

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: 12/30/2025

Vulnerability Publication Date: 9/4/2021

Reference Information

CVE: CVE-2022-50402