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Unity Linux 20.1050e Security Update: kernel (UTSA-2026-007454)

low Nessus Plugin ID 307113

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-2026-007454 advisory.

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

 net: sched: cls_u32: Undo tcf_bind_filter if u32_replace_hw_knode

 When u32_replace_hw_knode fails, we need to undo the tcf_bind_filter operation done at u32_set_parms.

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?c4e697ac

http://www.nessus.org/u?ccef5688

https://nvd.nist.gov/vuln/detail/CVE-2023-53733

Plugin Details

Severity: Low

ID: 307113

File Name: unity_linux_UTSA-2026-007454.nasl

Version: 1.1

Type: Local

Published: 4/17/2026

Updated: 4/17/2026

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Low

Base Score: 1.7

Temporal Score: 1.3

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

CVSS Score Source: CVE-2023-53733

CVSS v3

Risk Factor: Low

Base Score: 3.3

Temporal Score: 2.9

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

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: 4/17/2026

Vulnerability Publication Date: 9/7/2023

Reference Information

CVE: CVE-2023-53733