Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-004470)

high Nessus Plugin ID 290226

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-2026-004470 advisory.

An issue was discovered in the Linux kernel before 5.8.2. fs/io_uring.c has a use-after-free related to io_async_task_func and ctx reference holding, aka CID-6d816e088c35.

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?dce6a43d

https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.8.2

http://www.nessus.org/u?2d86d3df

https://security-tracker.debian.org/tracker/CVE-2020-36387

https://security.netapp.com/advisory/ntap-20210727-0006/

http://www.nessus.org/u?8ff945cf

http://www.nessus.org/u?91e8e783

Plugin Details

Severity: High

ID: 290226

File Name: unity_linux_UTSA-2026-004470.nasl

Version: 1.1

Type: local

Published: 1/16/2026

Updated: 1/16/2026

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 5.3

Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C

CVSS Score Source: CVE-2020-36387

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.8

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/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: 1/16/2026

Vulnerability Publication Date: 6/7/2021

Reference Information

CVE: CVE-2020-36387