CentOS Linux 7 [TuxCare] Security Update: grub2 / grub2-common / grub2-efi-ia32 / grub2-efi-ia32-cdboot / etc (CENTOS7:CLSA-2025:1758891628)

high Nessus Plugin ID 352159

Synopsis

The CentOS Linux host is missing one or more security updates.

Description

The CentOS Linux 7 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS7:CLSA-2025:1758891628 advisory.

- Integer overflow in the LZO algorithm variant in Oberhumer liblzo2 and lzo-2 before 2.07 on 32-bit platforms might allow remote attackers to execute arbitrary code via a crafted Literal Run.
(CVE-2014-4607)

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 based on the guidance in TuxCare advisory CENTOS7:CLSA-2025:1758891628.

See Also

https://cve.tuxcare.com/els/releases/CLSA-2025:1758891628

http://www.nessus.org/u?d1a9492e

Plugin Details

Severity: High

ID: 352159

File Name: tuxcare_centos_7_CLSA-2025-1758891628.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 9/30/2026

Updated: 9/30/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 57.15

Vendor

Vendor Severity: Important

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5.3

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

CVSS Score Source: CVE-2014-4607

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.9

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

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

Vulnerability Information

Required KB Items: Host/local_checks_enabled, Host/CentOS/release, Host/CentOS/rpm-list, Host/OS/extended-third-party

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 9/26/2025

Vulnerability Publication Date: 6/26/2014

Reference Information

CVE: CVE-2014-4607

CLSA: 2025:1758891628