Alibaba Cloud Linux 3 : 0056: grub2 (ALINUX3-SA-2026:0056)

high Nessus Plugin ID 303434

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-2026:0056 advisory.

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

CVE-2025-61662:
A Use-After-Free vulnerability has been discovered in GRUB's gettext module. This flaw stems from a programming error where the gettext command remains registered in memory after its module is unloaded. An attacker can exploit this condition by invoking the orphaned command, causing the application to access a memory location that is no longer valid. An attacker could exploit this vulnerability to cause grub to crash, leading to a Denial of Service. Possible data integrity or confidentiality compromise is not discarded.

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: 303434

File Name: alinux3_sa_2026-0056.nasl

Version: 1.1

Type: local

Family: Alibaba Cloud Linux Local Security Checks

Published: 3/24/2026

Updated: 3/24/2026

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

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

CVSS Score Source: CVE-2025-61662

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.8

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

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

Vulnerability Information

CPE: p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:grub2-efi-ia32, cpe:/o:alibabacloud:alibaba_cloud_linux_3, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:grub2-pc, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:grub2-tools-minimal, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:grub2-tools-efi, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:grub2-efi-ia32-modules, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:grub2-tools, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:grub2-efi-ia32-cdboot, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:grub2-efi-aa64, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:grub2-efi-x64-cdboot, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:grub2-tools-extra, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:grub2-efi-x64-modules, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:grub2-common, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:grub2-efi-x64, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:grub2-efi-aa64-modules, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:grub2-pc-modules, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:grub2-efi-aa64-cdboot

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: 3/19/2026

Vulnerability Publication Date: 11/18/2025

Reference Information

CVE: CVE-2025-61662

Detections

Analytics