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Unity Linux 20.1070a Security Update: kernel (UTSA-2026-013470)

medium Nessus Plugin ID 309552

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-2026-013470 advisory.

 In the Linux kernel before 5.16, tools/perf/util/expr.c lacks a check for the hashmap__new return value.

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?0f3856a4

https://nvd.nist.gov/vuln/detail/CVE-2023-23003

Plugin Details

Severity: Medium

ID: 309552

File Name: unity_linux_UTSA-2026-013470.nasl

Version: 1.1

Type: Local

Published: 4/22/2026

Updated: 4/22/2026

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Low

Base Score: 3.7

Temporal Score: 2.7

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

CVSS Score Source: CVE-2023-23003

CVSS v3

Risk Factor: Medium

Base Score: 4

Temporal Score: 3.5

Vector: CVSS:3.0/AV:L/AC:H/PR:H/UI:R/S:U/C:N/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: 4/22/2026

Vulnerability Publication Date: 3/1/2023

Reference Information

CVE: CVE-2023-23003