Amazon Linux 2 : hwloc (ALAS-2023-2237)

medium Nessus Plugin ID 181137


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


The version of hwloc installed on the remote host is prior to 1.11.8-4. It is, therefore, affected by a vulnerability as referenced in the ALAS2-2023-2237 advisory.

- An issue was discovered in open-mpi hwloc 2.1.0 allows attackers to cause a denial of service or other unspecified impacts via glibc-cpuset in topology-linux.c. (CVE-2022-47022)

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


Run 'yum update hwloc' to update your system.

See Also

Plugin Details

Severity: Medium

ID: 181137

File Name: al2_ALAS-2023-2237.nasl

Version: 1.3

Type: local

Agent: unix

Published: 9/8/2023

Updated: 12/5/2023

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Nessus

Risk Information


Risk Factor: Medium

Score: 4.4


Risk Factor: Low

Base Score: 3.8

Temporal Score: 3

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

CVSS Score Source: CVE-2022-47022


Risk Factor: Medium

Base Score: 4.7

Temporal Score: 4.2

Vector: CVSS:3.0/AV:L/AC:H/PR:L/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:amazon:linux:hwloc, p-cpe:/a:amazon:linux:hwloc-debuginfo, p-cpe:/a:amazon:linux:hwloc-devel, p-cpe:/a:amazon:linux:hwloc-gui, p-cpe:/a:amazon:linux:hwloc-libs, p-cpe:/a:amazon:linux:hwloc-plugins, cpe:/o:amazon:linux:2

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 8/31/2023

Vulnerability Publication Date: 8/22/2023

Reference Information

CVE: CVE-2022-47022