Detections
Analytics

Oracle Linux 8 : kernel (ELSA-2025-21398)

high Nessus Plugin ID 275727

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Synopsis

The remote Oracle Linux host is missing a security update.

Description

The remote Oracle Linux 8 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2025-21398 advisory.

 - vsock/virtio: Validate length in packet header before skb_put() (Jon Maloy) [RHEL-114296] {CVE-2025-39718}

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

See Also

https://linux.oracle.com/errata/ELSA-2025-21398.html

Plugin Details

Severity: High

ID: 275727

File Name: oraclelinux_ELSA-2025-21398.nasl

Version: 1.1

Type: local

Agent: unix

Published: 11/18/2025

Updated: 11/18/2025

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

Risk Information

VPR

Risk Factor: Medium

Score: 5.5

CVSS v2

Risk Factor: High

Base Score: 7.3

Temporal Score: 5.4

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

CVSS Score Source: CVE-2025-39718

CVSS v3

Risk Factor: High

Base Score: 7.6

Temporal Score: 6.6

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

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

Vulnerability Information

CPE: p-cpe:/a:oracle:linux:kernel-debug, p-cpe:/a:oracle:linux:python3-perf, p-cpe:/a:oracle:linux:kernel-tools-libs, p-cpe:/a:oracle:linux:kernel-tools-libs-devel, p-cpe:/a:oracle:linux:kernel-debug-modules-extra, p-cpe:/a:oracle:linux:kernel-core, p-cpe:/a:oracle:linux:kernel-modules-extra, p-cpe:/a:oracle:linux:kernel-headers, p-cpe:/a:oracle:linux:kernel-abi-stablelists, p-cpe:/a:oracle:linux:kernel-debug-core, p-cpe:/a:oracle:linux:kernel-devel, p-cpe:/a:oracle:linux:kernel, cpe:/o:oracle:linux:8, p-cpe:/a:oracle:linux:kernel-tools, p-cpe:/a:oracle:linux:kernel-modules, p-cpe:/a:oracle:linux:kernel-cross-headers, p-cpe:/a:oracle:linux:kernel-debug-devel, p-cpe:/a:oracle:linux:kernel-debug-modules, p-cpe:/a:oracle:linux:bpftool, cpe:/o:oracle:linux:8:10:baseos_patch, p-cpe:/a:oracle:linux:perf

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

Exploit Ease: No known exploits are available

Patch Publication Date: 11/17/2025

Vulnerability Publication Date: 9/5/2025

Reference Information

CVE: CVE-2025-39718