Detections
Analytics

Azure Linux 3.0 Security Update: cni / containernetworking-plugins / keda / multus (CVE-2021-38561)

high Nessus Plugin ID 295882

Synopsis

The remote Azure Linux host is missing one or more security updates.

Description

The version of cni / containernetworking-plugins / keda / multus installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2021-38561 advisory.

 - golang.org/x/text/language in golang.org/x/text before 0.3.7 can panic with an out-of-bounds read during BCP 47 language tag parsing. Index calculation is mishandled. If parsing untrusted user input, this can be used as a vector for a denial-of-service attack. (CVE-2021-38561)

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

Solution

Update the affected packages.

See Also

https://nvd.nist.gov/vuln/detail/CVE-2021-38561

Plugin Details

Severity: High

ID: 295882

File Name: azure_linux_CVE-2021-38561.nasl

Version: 1.1

Type: local

Published: 1/22/2026

Updated: 1/22/2026

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

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

CVSS Score Source: CVE-2021-38561

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

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

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

Vulnerability Information

CPE: p-cpe:/a:microsoft:azure_linux:keda, p-cpe:/a:microsoft:azure_linux:keda-debuginfo, p-cpe:/a:microsoft:azure_linux:multus, p-cpe:/a:microsoft:azure_linux:containernetworking-plugins-debuginfo, p-cpe:/a:microsoft:azure_linux:multus-k8s-yaml, x-cpe:/o:microsoft:azure_linux, p-cpe:/a:microsoft:azure_linux:cni, p-cpe:/a:microsoft:azure_linux:containernetworking-plugins, p-cpe:/a:microsoft:azure_linux:multus-debuginfo, p-cpe:/a:microsoft:azure_linux:cni-debuginfo

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

Exploit Ease: No known exploits are available

Patch Publication Date: 5/13/2025

Vulnerability Publication Date: 12/26/2022

Reference Information

CVE: CVE-2021-38561