Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-000985)

high Nessus Plugin ID 283760

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-2026-000985 advisory.

Use-after-free vulnerability in the snd_pcm_info function in the ALSA subsystem in the Linux kernel allows attackers to gain privileges via unspecified vectors.

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?8e841156

http://www.nessus.org/u?4aa2de0b

http://www.securityfocus.com/bid/102329

https://access.redhat.com/errata/RHSA-2018:2390

https://access.redhat.com/errata/RHSA-2018:3083

https://access.redhat.com/errata/RHSA-2018:3096

https://access.redhat.com/errata/RHSA-2020:0036

http://www.nessus.org/u?ed047cc4

http://www.nessus.org/u?148b2157

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

https://security-tracker.debian.org/tracker/CVE-2017-0861

https://source.android.com/security/bulletin/pixel/2017-11-01

https://usn.ubuntu.com/3583-1/

https://usn.ubuntu.com/3583-2/

https://usn.ubuntu.com/3617-1/

https://usn.ubuntu.com/3617-2/

https://usn.ubuntu.com/3617-3/

https://usn.ubuntu.com/3619-1/

https://usn.ubuntu.com/3619-2/

https://usn.ubuntu.com/3632-1/

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

https://www.oracle.com/security-alerts/cpujul2020.html

http://www.nessus.org/u?9166970d

Plugin Details

Severity: High

ID: 283760

File Name: unity_linux_UTSA-2026-000985.nasl

Version: 1.3

Type: local

Published: 1/14/2026

Updated: 1/15/2026

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Medium

Base Score: 4.6

Temporal Score: 3.4

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

CVSS Score Source: CVE-2017-0861

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.8

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:U/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 Ease: No known exploits are available

Patch Publication Date: 1/14/2026

Vulnerability Publication Date: 11/6/2017

Reference Information

CVE: CVE-2017-0861