Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-003616)

high Nessus Plugin ID 288588

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-2026-003616 advisory.

arch/powerpc/mm/mmu_context_book3s64.c in the Linux kernel before 5.1.15 for powerpc has a bug where unrelated processes may be able to read/write to one another's virtual memory under certain conditions via an mmap above 512 TB. Only a subset of powerpc systems are affected.

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?5db19c7c

http://www.nessus.org/u?390095f8

http://www.openwall.com/lists/oss-security/2019/06/24/5

http://www.securityfocus.com/bid/108884

https://access.redhat.com/errata/RHSA-2019:2703

https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.1.15

http://www.nessus.org/u?483890d0

http://www.nessus.org/u?0b7115fa

http://www.nessus.org/u?e0cdc8d5

https://seclists.org/bugtraq/2019/Aug/13

https://security-tracker.debian.org/tracker/CVE-2019-12817

https://support.f5.com/csp/article/K12876166

http://www.nessus.org/u?be1c2c76

https://usn.ubuntu.com/4031-1/

https://www.debian.org/security/2019/dsa-4495

Plugin Details

Severity: High

ID: 288588

File Name: unity_linux_UTSA-2026-003616.nasl

Version: 1.1

Type: local

Published: 1/16/2026

Updated: 1/16/2026

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Medium

Base Score: 6.9

Temporal Score: 5.1

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

CVSS Score Source: CVE-2019-12817

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: 1/16/2026

Vulnerability Publication Date: 6/24/2019

Reference Information

CVE: CVE-2019-12817