SUSE SLES15 Security Update : kernel RT (Live Patch 6 for SLE 15 SP4) (SUSE-SU-2023:2368-1)

high Nessus Plugin ID 176928

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Synopsis

The remote SUSE host is missing one or more security updates.

Description

The remote SUSE Linux SLES15 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2023:2368-1 advisory.

This update for the Linux Kernel 5.14.21-150400_15_23 fixes several issues.

The following security issues were fixed:

- CVE-2023-0386: Fixed privileges escalation for low-privileged users in the OverlayFS subsystem (bsc#1210499).
- CVE-2023-2162: Fixed an use-after-free flaw in iscsi_sw_tcp_session_create (bsc#1210662).
- CVE-2023-23454: Fixed a type-confusion in the CBQ network scheduler (bsc#1207188).

Tenable has extracted the preceding description block directly from the SUSE security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Update the affected kernel-livepatch-5_14_21-150400_15_23-rt package.

Plugin Details

Severity: High

ID: 176928

File Name: suse_SU-2023-2368-1.nasl

Version: 1.7

Type: Local

Agent: unix

Family: SuSE Local Security Checks

Published: 6/8/2023

Updated: 6/26/2026

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

Risk Information

VPR

Risk Factor: Critical

Score: 9.4

Percentile: 99.81

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5.9

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

CVSS Score Source: CVE-2023-0386

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 7.5

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

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

Vulnerability Information

CPE: p-cpe:/a:novell:suse_linux:kernel-livepatch-5_14_21-150400_15_23-rt, cpe:/o:novell:suse_linux:15

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 6/5/2023

Vulnerability Publication Date: 1/10/2023

CISA Known Exploited Vulnerability Due Dates: 7/8/2025

Exploitable With

Core Impact

Metasploit (Local Privilege Escalation via CVE-2023-0386)

Reference Information

CVE: CVE-2023-0386, CVE-2023-2162, CVE-2023-23454

IAVA: 2025-A-0456

SuSE: SUSE-SU-2023:2368-1

Detections

Analytics