Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-000766)

medium Nessus Plugin ID 290973

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-2026-000766 advisory.

Double free vulnerability in drivers/net/usb/cdc_ncm.c in the Linux kernel before 4.5 allows physically proximate attackers to cause a denial of service (system crash) or possibly have unspecified other impact by inserting a USB device with an invalid USB descriptor.

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?c518b3ea

http://www.nessus.org/u?91819f97

http://www.nessus.org/u?9a37500c

http://www.nessus.org/u?fc185d7c

http://www.nessus.org/u?8e0da47e

http://www.nessus.org/u?dd2d5df5

http://www.nessus.org/u?43ad043b

http://www.debian.org/security/2016/dsa-3607

http://www.openwall.com/lists/oss-security/2016/04/06/4

http://www.securityfocus.com/bid/91028

http://www.securitytracker.com/id/1036763

http://www.ubuntu.com/usn/USN-2989-1

http://www.ubuntu.com/usn/USN-2998-1

http://www.ubuntu.com/usn/USN-3000-1

http://www.ubuntu.com/usn/USN-3001-1

http://www.ubuntu.com/usn/USN-3002-1

http://www.ubuntu.com/usn/USN-3003-1

http://www.ubuntu.com/usn/USN-3004-1

http://www.ubuntu.com/usn/USN-3021-1

http://www.ubuntu.com/usn/USN-3021-2

https://bugzilla.redhat.com/show_bug.cgi?id=1324782

http://www.nessus.org/u?da14a988

http://www.nessus.org/u?56559078

https://security-tracker.debian.org/tracker/CVE-2016-3951

https://www.spinics.net/lists/netdev/msg367669.html

Plugin Details

Severity: Medium

ID: 290973

File Name: unity_linux_UTSA-2026-000766.nasl

Version: 1.1

Type: local

Published: 1/16/2026

Updated: 1/16/2026

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Medium

Base Score: 4.9

Temporal Score: 3.6

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

CVSS Score Source: CVE-2016-3951

CVSS v3

Risk Factor: Medium

Base Score: 4.6

Temporal Score: 4

Vector: CVSS:3.0/AV:P/AC:L/PR:N/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: 1/14/2026

Vulnerability Publication Date: 3/4/2016

Reference Information

CVE: CVE-2016-3951