Amazon Linux 2 : sg3_utils, --advisory ALAS2-2026-3860 (ALAS-2026-3860)

high Nessus Plugin ID 337202

Synopsis

The remote Amazon Linux 2 host is missing a security update.

Description

The version of sg3_utils installed on the remote host is prior to 1.37-12. It is, therefore, affected by a vulnerability as referenced in the ALAS2-2026-3860 advisory.

A flaw was found in sg3_utils. The sg_inq command, when invoked with the --export option, outputs device identification data without sanitizing control characters in SCSI name string fields. A newline character embedded in a device-supplied name string can inject arbitrary properties into the udev device database.
This could allow an attacker who can present a crafted SCSI device to execute arbitrary commands as root when the device is disconnected. (CVE-2026-16313)

Tenable has extracted the preceding description block directly from the tested product 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

Run 'yum update sg3_utils' or or 'yum update --advisory ALAS2-2026-3860' to update your system.

Plugin Details

Severity: High

ID: 337202

File Name: al2_ALAS-2026-3860.nasl

Version: 1.1

Type: Local

Agent: unix

Family: Amazon Linux Local Security Checks

Published: 8/18/2026

Updated: 8/18/2026

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5

Percentile: 93.92

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 5.3

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

CVSS Score Source: CVE-2026-16313

CVSS v3

Risk Factor: High

Base Score: 7.6

Temporal Score: 6.6

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

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:amazon:linux:2, p-cpe:/a:amazon:linux:sg3_utils-debuginfo, p-cpe:/a:amazon:linux:sg3_utils-devel, p-cpe:/a:amazon:linux:sg3_utils-libs, p-cpe:/a:amazon:linux:sg3_utils

Required KB Items: Host/local_checks_enabled, Host/AmazonLinux/release, Host/AmazonLinux/rpm-list

Exploit Ease: No known exploits are available

Patch Publication Date: 8/17/2026

Vulnerability Publication Date: 7/28/2026

Reference Information

CVE: CVE-2026-16313

Detections

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