Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-002631)

medium Nessus Plugin ID 287242

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-2026-002631 advisory.

Systems with microprocessors utilizing speculative execution and indirect branch prediction may allow unauthorized disclosure of information to an attacker with local user access via a side-channel analysis.

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://nvidia.custhelp.com/app/answers/detail/a_id/4609

http://nvidia.custhelp.com/app/answers/detail/a_id/4611

http://nvidia.custhelp.com/app/answers/detail/a_id/4613

http://nvidia.custhelp.com/app/answers/detail/a_id/4614

https://access.redhat.com/errata/RHSA-2018:0292

https://aws.amazon.com/de/security/security-bulletins/AWS-2018-013/

https://cert-portal.siemens.com/productcert/pdf/ssa-608355.pdf

https://cert.vde.com/en-us/advisories/vde-2018-002

https://cert.vde.com/en-us/advisories/vde-2018-003

https://lists.debian.org/debian-lts-announce/2018/05/msg00000.html

https://lists.debian.org/debian-lts-announce/2018/07/msg00015.html

https://lists.debian.org/debian-lts-announce/2018/07/msg00016.html

https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html

https://lists.debian.org/debian-lts-announce/2018/09/msg00017.html

https://lists.debian.org/debian-lts-announce/2020/03/msg00025.html

https://lists.debian.org/debian-lts-announce/2021/08/msg00019.html

https://seclists.org/bugtraq/2019/Jun/36

https://seclists.org/bugtraq/2019/Nov/16

https://security.FreeBSD.org/advisories/FreeBSD-SA-19:26.mcu.asc

https://security.gentoo.org/glsa/201810-06

https://security.netapp.com/advisory/ntap-20180104-0001/

https://security.paloaltonetworks.com/CVE-2017-5715

https://security-tracker.debian.org/tracker/CVE-2017-5715

https://spectreattack.com/

https://support.citrix.com/article/CTX231399

https://support.f5.com/csp/article/K91229003

https://support.lenovo.com/us/en/solutions/LEN-18282

https://usn.ubuntu.com/3531-1/

https://usn.ubuntu.com/3531-3/

https://usn.ubuntu.com/3540-2/

https://usn.ubuntu.com/3541-2/

https://usn.ubuntu.com/3542-2/

https://usn.ubuntu.com/3549-1/

https://usn.ubuntu.com/3560-1/

https://usn.ubuntu.com/3561-1/

https://usn.ubuntu.com/3580-1/

https://usn.ubuntu.com/3581-1/

https://usn.ubuntu.com/3581-2/

https://usn.ubuntu.com/3582-1/

https://usn.ubuntu.com/3582-2/

https://usn.ubuntu.com/3594-1/

https://usn.ubuntu.com/3597-1/

https://usn.ubuntu.com/3597-2/

https://usn.ubuntu.com/3620-2/

https://usn.ubuntu.com/3690-1/

https://usn.ubuntu.com/3777-3/

https://usn.ubuntu.com/usn/usn-3516-1/

https://www.debian.org/security/2018/dsa-4120

https://www.debian.org/security/2018/dsa-4187

https://www.debian.org/security/2018/dsa-4188

https://www.debian.org/security/2018/dsa-4213

https://www.exploit-db.com/exploits/43427/

https://www.kb.cert.org/vuls/id/180049

https://www.synology.com/support/security/Synology_SA_18_01

https://www.vmware.com/security/advisories/VMSA-2018-0007.html

https://www.vmware.com/us/security/advisories/VMSA-2018-0002.html

https://www.vmware.com/us/security/advisories/VMSA-2018-0004.html

http://www.arubanetworks.com/assets/alert/ARUBA-PSA-2018-001.txt

http://www.arubanetworks.com/assets/alert/ARUBA-PSA-2019-003.txt

http://www.kb.cert.org/vuls/id/584653

http://www.nessus.org/u?13a2a434

http://www.nessus.org/u?1bb35f47

http://www.nessus.org/u?1eae8cc9

http://www.nessus.org/u?28c4c0a0

http://www.nessus.org/u?2dc887f0

http://www.nessus.org/u?2ec2d10c

http://www.nessus.org/u?50f36723

http://www.nessus.org/u?573cb1ef

http://www.nessus.org/u?576ccd7b

http://www.nessus.org/u?5a31e7ee

http://www.nessus.org/u?5acda23e

http://www.nessus.org/u?617660af

http://www.nessus.org/u?62b454ac

http://www.nessus.org/u?6b559eed

http://www.nessus.org/u?71840fb0

http://www.nessus.org/u?7c4ad7b8

http://www.nessus.org/u?851713fe

http://www.nessus.org/u?892ef523

http://www.nessus.org/u?90be0237

http://www.nessus.org/u?9aa2b901

http://www.nessus.org/u?a875b3c1

http://www.nessus.org/u?ae82f1b1

http://www.nessus.org/u?b2bb08b4

http://www.nessus.org/u?c526e694

http://www.nessus.org/u?c89c164f

http://www.nessus.org/u?cd7fb364

http://www.nessus.org/u?cd8ae14e

http://www.nessus.org/u?dda9e0ac

http://www.nessus.org/u?de005267

http://www.nessus.org/u?de58c590

http://www.nessus.org/u?f5691f33

http://www.nessus.org/u?f65ef05a

http://www.nessus.org/u?f6e3da0d

http://www.securityfocus.com/bid/102376

http://www.securitytracker.com/id/1040071

http://xenbits.xen.org/xsa/advisory-254.html

Plugin Details

Severity: Medium

ID: 287242

File Name: unity_linux_UTSA-2026-002631.nasl

Version: 1.3

Type: Local

Family: Unity Linux Local Security Checks

Published: 1/15/2026

Updated: 2/10/2026

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.3

Percentile: 96.81

CVSS v2

Risk Factor: Low

Base Score: 1.9

Temporal Score: 1.7

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

CVSS Score Source: CVE-2017-5715

CVSS v3

Risk Factor: Medium

Base Score: 5.6

Temporal Score: 5.4

Vector: CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N

Temporal Vector: CVSS:3.0/E:H/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: 1/15/2026

Vulnerability Publication Date: 1/3/2018

Reference Information

CVE: CVE-2017-5715