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Unity Linux 20.1070e Security Update: kernel (UTSA-2026-001500)

high Nessus Plugin ID 283770

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-2026-001500 advisory.

 In ep_loop_check_proc of eventpoll.c, there is a possible way to corrupt memory due to a use after free.
 This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID:
 A-204573007References: Upstream kernel

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?9d46f42c

https://nvd.nist.gov/vuln/detail/CVE-2021-1048

http://www.nessus.org/u?195ed5ef

Plugin Details

Severity: High

ID: 283770

File Name: unity_linux_UTSA-2026-001500.nasl

Version: 1.1

Type: local

Published: 1/14/2026

Updated: 1/14/2026

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: High

Score: 7.4

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 6

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

CVSS Score Source: CVE-2021-1048

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 7.2

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:F/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 Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 1/14/2026

Vulnerability Publication Date: 12/15/2021

CISA Known Exploited Vulnerability Due Dates: 6/13/2022

Reference Information

CVE: CVE-2021-1048