Unity Linux 20.1060a Security Update: kernel (UTSA-2026-014356)

high Nessus Plugin ID 310357

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-2026-014356 advisory.

In the Linux kernel, the following vulnerability has been resolved:

LoongArch: csum: Fix OoB access in IP checksum code for negative lengths

Commit 69e3a6aa6be2 (LoongArch: Add checksum optimization for 64-bit system) would cause an undefined shift and an out-of-bounds read.

Commit 8bd795fedb84 (arm64: csum: Fix OoB access in IP checksum code for negative lengths) fixes the same issue on ARM64.

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.

Plugin Details

Severity: High

ID: 310357

File Name: unity_linux_UTSA-2026-014356.nasl

Version: 1.1

Type: Local

Family: Unity Linux Local Security Checks

Published: 4/26/2026

Updated: 4/26/2026

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.2

CVSS v2

Risk Factor: Medium

Base Score: 6.2

Temporal Score: 4.6

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

CVSS Score Source: CVE-2025-21789

CVSS v3

Risk Factor: High

Base Score: 7.1

Temporal Score: 6.2

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/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/cpu, Host/UOS-Server/release, Host/UOS-Server/rpm-list

Exploit Ease: No known exploits are available

Patch Publication Date: 4/26/2026

Vulnerability Publication Date: 2/27/2025

Reference Information

CVE: CVE-2025-21789

Detections

Analytics