Detections
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Amazon Linux 2 : docker, --advisory ALAS2ECS-2026-094 (ALASECS-2026-094)
high Nessus Plugin ID 294908
Language:
Synopsis
The remote Amazon Linux 2 host is missing a security update.Description
The version of docker installed on the remote host is prior to 25.0.14-1. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2ECS-2026-094 advisory.SSH Agent servers do not validate the size of messages when processing new identity requests, which may cause the program to panic if the message is malformed due to an out of bounds read. (CVE-2025-47914)
SSH servers parsing GSSAPI authentication requests do not validate the number of mechanisms specified in the request, allowing an attacker to cause unbounded memory consumption. (CVE-2025-58181)
crypto/x509: excluded subdomain constraint does not restrict wildcard SANs
An excluded subdomain constraint in a certificate chain does not restrict the usage of wildcard SANs in the leaf certificate. For example a constraint that excludes the subdomain test.example.com does not prevent a leaf certificate from claiming the SAN *.example.com. (CVE-2025-61727)
Within HostnameError.Error(), when constructing an error string, there is no limit to the number of hosts that will be printed out. Furthermore, the error string is constructed by repeated string concatenation, leading to quadratic runtime. Therefore, a certificate provided by a malicious actor can result in excessive resource consumption. (CVE-2025-61729)
A denial-of-service vulnerability exists in github.com/sirupsen/logrus when using Entry.Writer() to log a single-line payload larger than 64KB without newline characters. Due to limitations in the internal bufio.Scanner, the read fails with token too long and the writer pipe is closed, leaving Writer() unusable and causing application unavailability (DoS). This affects versions < 1.8.3, 1.9.0, and 1.9.2.
The issue is fixed in 1.8.3, 1.9.1, and 1.9.3+, where the input is chunked and the writer continues to function even if an error is logged. (CVE-2025-65637)
Tenable has extracted the preceding description block directly from the tested product 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
Run 'yum update docker' or or 'yum update --advisory ALAS2ECS-2026-094' to update your system.See Also
https://alas.aws.amazon.com//AL2/ALAS2ECS-2026-094.html
https://alas.aws.amazon.com/faqs.html
https://explore.alas.aws.amazon.com/CVE-2025-47914.html
https://explore.alas.aws.amazon.com/CVE-2025-58181.html
https://explore.alas.aws.amazon.com/CVE-2025-61727.html
Plugin Details
Severity: High
ID: 294908
File Name: al2_ALASECS-2026-094.nasl
Version: 1.1
Type: local
Agent: unix
Published: 1/22/2026
Updated: 1/22/2026
Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 5.1
CVSS v2
Risk Factor: Medium
Base Score: 6.4
Temporal Score: 5
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:N
CVSS Score Source: CVE-2025-61727
CVSS v3
Risk Factor: Medium
Base Score: 6.5
Temporal Score: 5.9
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C
CVSS v4
Risk Factor: High
Base Score: 8.7
Threat Score: 7.7
Threat Vector: CVSS:4.0/E:P
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
CVSS Score Source: CVE-2025-65637
Vulnerability Information
CPE: p-cpe:/a:amazon:linux:docker-debuginfo, cpe:/o:amazon:linux:2, p-cpe:/a:amazon:linux:docker
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: 1/22/2026
Vulnerability Publication Date: 11/19/2025
Reference Information
CVE: CVE-2025-47914, CVE-2025-58181, CVE-2025-61727, CVE-2025-61729, CVE-2025-65637
IAVB: 2025-B-0194-S