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Unity Linux 20.1050e Security Update: kernel (UTSA-2026-099713)

critical Nessus Plugin ID 336731

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-2026-099713 advisory.

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

 scsi: target: iscsi: Bound iscsi_encode_text_output() appends to rsp_buf

 iscsi_encode_text_output() concatenates key=value

Solution

Update the affected kernel package.

See Also

https://nvd.nist.gov/vuln/detail/CVE-2026-63887

http://www.nessus.org/u?978bda23

http://www.nessus.org/u?eed88d31

Plugin Details

Severity: Critical

ID: 336731

File Name: unity_linux_UTSA-2026-099713.nasl

Version: 1.1

Type: Local

Published: 8/17/2026

Updated: 8/17/2026

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.9

Percentile: 96.76

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.4

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

CVSS Score Source: CVE-2026-63887

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/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: 8/13/2026

Vulnerability Publication Date: 7/7/2026

Reference Information

CVE: CVE-2026-63887