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AlmaLinux 8 : grub2 (ALSA-2026:4648)

high Nessus Plugin ID 302799

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Synopsis

The remote AlmaLinux host is missing a security update.

Description

The remote AlmaLinux 8 host has packages installed that are affected by a vulnerability as referenced in the ALSA-2026:4648 advisory.

 * grub2: Missing unregister call for gettext command may lead to use-after-free (CVE-2025-61662)

Tenable has extracted the preceding description block directly from the AlmaLinux 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.

See Also

https://errata.almalinux.org/8/ALSA-2026-4648.html

https://access.redhat.com/errata/RHSA-2026:4648

Plugin Details

Severity: High

ID: 302799

File Name: alma_linux_ALSA-2026-4648.nasl

Version: 1.1

Type: local

Published: 3/17/2026

Updated: 3/17/2026

Supported Sensors: Continuous Assessment, Nessus Agent, 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:alma:linux:grub2-tools-minimal, cpe:/o:alma:linux:8::appstream, p-cpe:/a:alma:linux:grub2-efi-x64-modules, p-cpe:/a:alma:linux:grub2-pc, p-cpe:/a:alma:linux:grub2-efi-aa64-cdboot, p-cpe:/a:alma:linux:grub2-efi-ia32, p-cpe:/a:alma:linux:grub2-pc-modules, p-cpe:/a:alma:linux:grub2-efi-x64, p-cpe:/a:alma:linux:grub2-efi-aa64-modules, p-cpe:/a:alma:linux:grub2-efi-x64-cdboot, p-cpe:/a:alma:linux:grub2-efi-ia32-cdboot, p-cpe:/a:alma:linux:grub2-ppc64le-modules, p-cpe:/a:alma:linux:grub2-tools-extra, cpe:/o:alma:linux:8::nfv, cpe:/o:alma:linux:8::powertools, cpe:/o:alma:linux:8, p-cpe:/a:alma:linux:grub2-tools-efi, cpe:/o:alma:linux:8::supplementary, p-cpe:/a:alma:linux:grub2-efi-ia32-modules, p-cpe:/a:alma:linux:grub2-tools, cpe:/o:alma:linux:8::sap_hana, cpe:/o:alma:linux:8::realtime, cpe:/o:alma:linux:8::highavailability, cpe:/o:alma:linux:8::resilientstorage, p-cpe:/a:alma:linux:grub2-ppc64le, cpe:/o:alma:linux:8::baseos, p-cpe:/a:alma:linux:grub2-common, cpe:/o:alma:linux:8::sap, p-cpe:/a:alma:linux:grub2-efi-aa64

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

Exploit Ease: No known exploits are available

Patch Publication Date: 3/16/2026

Vulnerability Publication Date: 11/18/2025

Reference Information

CVE: CVE-2025-61662

RHSA: 2026:4648