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Amazon Linux 2 : libblockdev (ALAS-2025-2895)

high Nessus Plugin ID 240455

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Synopsis

The remote Amazon Linux 2 host is missing a security update.

Description

The version of libblockdev installed on the remote host is prior to 2.18-4. It is, therefore, affected by a vulnerability as referenced in the ALAS2-2025-2895 advisory.

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

Tenable has extracted the preceding description block directly from the tested product 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

Run 'yum update libblockdev' to update your system.

See Also

https://alas.aws.amazon.com/AL2/ALAS-2025-2895.html

https://alas.aws.amazon.com/cve/html/CVE-2025-6019.html

https://alas.aws.amazon.com/faqs.html

Plugin Details

Severity: High

ID: 240455

File Name: al2_ALAS-2025-2895.nasl

Version: 1.1

Type: local

Agent: unix

Published: 6/25/2025

Updated: 6/25/2025

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

Risk Information

VPR

Risk Factor: Critical

Score: 9.0

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:amazon:linux:libblockdev, p-cpe:/a:amazon:linux:libblockdev-lvm, p-cpe:/a:amazon:linux:libblockdev-debuginfo, p-cpe:/a:amazon:linux:libblockdev-dm-devel, cpe:/o:amazon:linux:2, p-cpe:/a:amazon:linux:libblockdev-crypto-devel, p-cpe:/a:amazon:linux:libblockdev-part, p-cpe:/a:amazon:linux:libblockdev-crypto, p-cpe:/a:amazon:linux:libblockdev-utils, p-cpe:/a:amazon:linux:libblockdev-utils-devel, p-cpe:/a:amazon:linux:python2-blockdev, p-cpe:/a:amazon:linux:libblockdev-kbd-devel, p-cpe:/a:amazon:linux:libblockdev-swap-devel, p-cpe:/a:amazon:linux:libblockdev-swap, p-cpe:/a:amazon:linux:libblockdev-mdraid, p-cpe:/a:amazon:linux:libblockdev-fs-devel, p-cpe:/a:amazon:linux:libblockdev-plugins-all, p-cpe:/a:amazon:linux:libblockdev-btrfs, p-cpe:/a:amazon:linux:libblockdev-btrfs-devel, p-cpe:/a:amazon:linux:libblockdev-fs, p-cpe:/a:amazon:linux:libblockdev-mpath, p-cpe:/a:amazon:linux:libblockdev-mdraid-devel, p-cpe:/a:amazon:linux:libblockdev-nvdimm-devel, p-cpe:/a:amazon:linux:libblockdev-kbd, p-cpe:/a:amazon:linux:libblockdev-loop, p-cpe:/a:amazon:linux:libblockdev-lvm-devel, p-cpe:/a:amazon:linux:libblockdev-mpath-devel, p-cpe:/a:amazon:linux:libblockdev-loop-devel, p-cpe:/a:amazon:linux:libblockdev-dm, p-cpe:/a:amazon:linux:libblockdev-devel, p-cpe:/a:amazon:linux:libblockdev-nvdimm, p-cpe:/a:amazon:linux:libblockdev-part-devel

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

Exploit Available: true

Exploit Ease: No known exploits are available

Patch Publication Date: 6/24/2025

Vulnerability Publication Date: 6/18/2025

Reference Information

CVE: CVE-2025-6019