Alibaba Cloud Linux 3 : 0215: pacemaker (ALINUX3-SA-2026:0215)

high Nessus Plugin ID 329127

Synopsis

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

Description

The remote Alibaba Cloud Linux 3 host has packages installed that are affected by a vulnerability as referenced in the ALINUX3-SA-2026:0215 advisory.

Package updates are available for Alibaba Cloud Linux 3 that fix the following vulnerabilities:

CVE-2026-10649:
A flaw was found in Pacemaker. An unauthenticated remote attacker can exploit an integer overflow vulnerability in the remote message decompression process. By sending a specially crafted compressed remote message before authentication, an attacker can cause memory corruption, leading to a denial of service (DoS) in the CIB remote listener. This can result in the affected service crashing.

Tenable has extracted the preceding description block directly from the Alibaba Cloud Linux security advisory.

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.

Plugin Details

Severity: High

ID: 329127

File Name: alinux3_sa_2026-0215.nasl

Version: 1.1

Type: Local

Family: Alibaba Cloud Linux Local Security Checks

Published: 7/23/2026

Updated: 7/23/2026

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.9

Percentile: 52.82

CVSS v2

Risk Factor: High

Base Score: 9

Temporal Score: 6.7

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

CVSS Score Source: CVE-2026-10649

CVSS v3

Risk Factor: High

Base Score: 8.6

Temporal Score: 7.5

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

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

Vulnerability Information

CPE: cpe:/o:alibabacloud:alibaba_cloud_linux_3, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:pacemaker-cli, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:pacemaker-cluster-libs, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:pacemaker-cts, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:pacemaker-doc, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:pacemaker-libs-devel, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:pacemaker-libs, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:pacemaker-nagios-plugins-metadata, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:pacemaker-remote, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:pacemaker-schemas, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:pacemaker, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:python3-pacemaker

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

Exploit Ease: No known exploits are available

Patch Publication Date: 7/20/2026

Vulnerability Publication Date: 6/16/2026

Reference Information

CVE: CVE-2026-10649

Detections

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