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RHEL 8 : libblockdev (RHSA-2025:9878)

high Nessus Plugin ID 240919

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Synopsis

The remote Red Hat host is missing a security update for libblockdev.

Description

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2025:9878 advisory.

 The libblockdev packages provide a C library with GObject introspection support used for low-level operations on block devices. The library serves as a thin wrapper around plug-ins for specific functionality, such as LVM, Btrfs, LUKS, or MD RAID.

 Security Fix(es):

 * libblockdev: LPE from allow_active to root in libblockdev via udisks (CVE-2025-6019)

 For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise 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 RHEL libblockdev package based on the guidance in RHSA-2025:9878.

See Also

https://access.redhat.com/security/updates/classification/#important

https://bugzilla.redhat.com/show_bug.cgi?id=2370051

https://access.redhat.com/errata/RHSA-2025:9878

http://www.nessus.org/u?f8a2b7dd

Plugin Details

Severity: High

ID: 240919

File Name: redhat-RHSA-2025-9878.nasl

Version: 1.1

Type: local

Agent: unix

Published: 6/30/2025

Updated: 6/30/2025

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Critical

Score: 9.0

Vendor

Vendor Severity: Important

CVSS v2

Risk Factor: Medium

Base Score: 6

Temporal Score: 4.7

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

CVSS Score Source: CVE-2025-6019

CVSS v3

Risk Factor: High

Base Score: 7

Temporal Score: 6.3

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

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

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:libblockdev-swap, p-cpe:/a:redhat:enterprise_linux:libblockdev-part-devel, p-cpe:/a:redhat:enterprise_linux:libblockdev, p-cpe:/a:redhat:enterprise_linux:libblockdev-lvm-dbus, p-cpe:/a:redhat:enterprise_linux:libblockdev-devel, p-cpe:/a:redhat:enterprise_linux:libblockdev-nvdimm, p-cpe:/a:redhat:enterprise_linux:libblockdev-mpath, p-cpe:/a:redhat:enterprise_linux:libblockdev-kbd, p-cpe:/a:redhat:enterprise_linux:libblockdev-vdo, p-cpe:/a:redhat:enterprise_linux:libblockdev-plugins-all, cpe:/o:redhat:rhel_eus:8.10, p-cpe:/a:redhat:enterprise_linux:libblockdev-dm, cpe:/o:redhat:enterprise_linux:8, p-cpe:/a:redhat:enterprise_linux:libblockdev-crypto, p-cpe:/a:redhat:enterprise_linux:libblockdev-lvm-devel, p-cpe:/a:redhat:enterprise_linux:libblockdev-utils, p-cpe:/a:redhat:enterprise_linux:libblockdev-mdraid, p-cpe:/a:redhat:enterprise_linux:libblockdev-crypto-devel, p-cpe:/a:redhat:enterprise_linux:libblockdev-part, p-cpe:/a:redhat:enterprise_linux:libblockdev-fs-devel, p-cpe:/a:redhat:enterprise_linux:libblockdev-vdo-devel, p-cpe:/a:redhat:enterprise_linux:python3-blockdev, p-cpe:/a:redhat:enterprise_linux:libblockdev-mdraid-devel, p-cpe:/a:redhat:enterprise_linux:libblockdev-lvm, p-cpe:/a:redhat:enterprise_linux:libblockdev-swap-devel, p-cpe:/a:redhat:enterprise_linux:libblockdev-loop, p-cpe:/a:redhat:enterprise_linux:libblockdev-loop-devel, p-cpe:/a:redhat:enterprise_linux:libblockdev-s390, p-cpe:/a:redhat:enterprise_linux:libblockdev-fs, p-cpe:/a:redhat:enterprise_linux:libblockdev-utils-devel

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 6/30/2025

Vulnerability Publication Date: 6/18/2025

Reference Information

CVE: CVE-2025-6019

CWE: 250

RHSA: 2025:9878