Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-000971)

high Nessus Plugin ID 290393

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-2026-000971 advisory.

Race condition in arch/x86/mm/tlb.c in the Linux kernel before 4.4.1 allows local users to gain privileges by triggering access to a paging structure by a different CPU.

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?548ae3be

http://www.nessus.org/u?f88585ee

http://www.nessus.org/u?30ff9fab

http://www.nessus.org/u?217c11b7

http://www.nessus.org/u?447aad90

http://www.nessus.org/u?740c14a3

http://rhn.redhat.com/errata/RHSA-2016-2574.html

http://rhn.redhat.com/errata/RHSA-2016-2584.html

http://rhn.redhat.com/errata/RHSA-2017-0817.html

http://www.debian.org/security/2016/dsa-3503

http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.1

http://www.openwall.com/lists/oss-security/2016/01/25/1

http://www.nessus.org/u?4763b451

http://www.nessus.org/u?cb8b72e0

http://www.securityfocus.com/bid/81809

http://www.ubuntu.com/usn/USN-2931-1

http://www.ubuntu.com/usn/USN-2932-1

http://www.ubuntu.com/usn/USN-2967-1

http://www.ubuntu.com/usn/USN-2967-2

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

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

https://bugzilla.redhat.com/show_bug.cgi?id=1301893

http://www.nessus.org/u?53d69674

https://security-tracker.debian.org/tracker/CVE-2016-2069

Plugin Details

Severity: High

ID: 290393

File Name: unity_linux_UTSA-2026-000971.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-2016-2069

CVSS v3

Risk Factor: High

Base Score: 7.4

Temporal Score: 6.4

Vector: CVSS:3.0/AV:L/AC:H/PR:N/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: 1/24/2016

Reference Information

CVE: CVE-2016-2069