Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-000924)

high Nessus Plugin ID 290659

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-2026-000924 advisory.

An issue was discovered in drivers/net/ethernet/arc/emac_main.c in the Linux kernel before 4.5. A use- after-free is caused by a race condition between the functions arc_emac_tx and arc_emac_tx_clean.

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

https://usn.ubuntu.com/4163-2/

http://www.nessus.org/u?50405f80

http://www.nessus.org/u?70bd9b7a

http://www.nessus.org/u?952ee91a

https://seclists.org/bugtraq/2019/Nov/11

https://security-tracker.debian.org/tracker/CVE-2016-10906

http://www.nessus.org/u?f04334e2

https://usn.ubuntu.com/4163-1/

Plugin Details

Severity: High

ID: 290659

File Name: unity_linux_UTSA-2026-000924.nasl

Version: 1.1

Type: local

Published: 1/16/2026

Updated: 1/16/2026

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Medium

Base Score: 4.4

Temporal Score: 3.3

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

CVSS Score Source: CVE-2016-10906

CVSS v3

Risk Factor: High

Base Score: 7

Temporal Score: 6.1

Vector: CVSS:3.0/AV:L/AC:H/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/UOS-Server/release, Host/UOS-Server/rpm-list, Host/cpu

Exploit Ease: No known exploits are available

Patch Publication Date: 1/14/2026

Vulnerability Publication Date: 8/19/2019

Reference Information

CVE: CVE-2016-10906