RHEL 9 : libnbd (RHSA-2024:2204)

medium Nessus Plugin ID 194778

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Synopsis

The remote Red Hat host is missing one or more security updates for libnbd.

Description

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2024:2204 advisory.

Network Block Device (NBD) is a protocol for accessing Block Devices (hard disks and disk-like devices) over a Network. The libnbd is a userspace client library for writing NBD clients.

Security Fix(es):

* libnbd: Malicious NBD server may crash libnbd (CVE-2023-5871)

* libnbd: Crash or misbehaviour when NBD server returns an unexpected block size (CVE-2023-5215)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Additional Changes:

For detailed information on changes in this release, see the Red Hat Enterprise Linux 9.4 Release Notes linked from the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux 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 RHEL libnbd package based on the guidance in RHSA-2024:2204.

Plugin Details

Severity: Medium

ID: 194778

File Name: redhat-RHSA-2024-2204.nasl

Version: 1.4

Type: Local

Agent: unix

Family: Red Hat Local Security Checks

Published: 4/30/2024

Updated: 3/14/2025

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

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.18

Vendor

Vendor Severity: Moderate

CVSS v2

Risk Factor: Medium

Base Score: 6.1

Temporal Score: 4.8

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

CVSS Score Source: CVE-2023-5215

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.9

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

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

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:ocaml-libnbd-devel, p-cpe:/a:redhat:enterprise_linux:python3-libnbd, cpe:/o:redhat:enterprise_linux:9, p-cpe:/a:redhat:enterprise_linux:libnbd, p-cpe:/a:redhat:enterprise_linux:nbdfuse, p-cpe:/a:redhat:enterprise_linux:ocaml-libnbd, p-cpe:/a:redhat:enterprise_linux:libnbd-bash-completion, p-cpe:/a:redhat:enterprise_linux:libnbd-devel

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 4/30/2024

Vulnerability Publication Date: 9/28/2023

Reference Information

CVE: CVE-2023-5215, CVE-2023-5871

CWE: 241, 617

RHSA: 2024:2204

Detections

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