RHEL 8 : kpatch-patch-4_18_0-477_67_1, kpatch-patch-4_18_0-477_81_1, kpatch-patch-4_18_0-477_89_1, and kpatch-patch-4_18_0-477_97_1 (RHSA-2025:16583)

high Nessus Plugin ID 265812

Synopsis

The remote Red Hat host is missing one or more security updates for kpatch-patch-4_18_0-477_67_1 / kpatch- patch-4_18_0-477_81_1 / kpatch-patch-4_18_0-477_89_1 / kpatch-patch-4_18_0-477_97_1.

Description

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2025:16583 advisory.

This is a kernel live patch module which can be loaded by the kpatch command line utility to modify the code of a running kernel. This patch module is targeted for kernel-4.18.0-477.67.1.el8_8.

Security Fix(es):

* kernel: net_sched: hfsc: Fix a UAF vulnerability in class with netem as child qdisc (CVE-2025-37890)

* kernel: net_sched: hfsc: Address reentrant enqueue adding class to eltree twice (CVE-2025-38001)

* kernel: sch_hfsc: Fix qlen accounting bug when using peek in hfsc_enqueue() (CVE-2025-38000)

* kernel: net/sched: Always pass notifications when child class becomes empty (CVE-2025-38350)

* kernel: i2c/designware: Fix an initialization issue (CVE-2025-38380)

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 these issues but has instead relied only on the application's self-reported version number.

Solution

Update the RHEL kpatch-patch-4_18_0-477_67_1 / kpatch-patch-4_18_0-477_81_1 / kpatch-patch-4_18_0-477_89_1 / kpatch- patch-4_18_0-477_97_1 packages based on the guidance in RHSA-2025:16583.

Plugin Details

Severity: High

ID: 265812

File Name: redhat-RHSA-2025-16583.nasl

Version: 1.1

Type: local

Agent: unix

Family: Red Hat Local Security Checks

Published: 9/25/2025

Updated: 9/25/2025

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: High

Score: 8.4

Vendor

Vendor Severity: Important

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5.3

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

CVSS Score Source: CVE-2025-38001

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

CVSS Score Source: CVE-2025-38350

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:kpatch-patch-4_18_0-477_97_1, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-4_18_0-477_89_1, cpe:/o:redhat:rhel_e4s:8.8, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-4_18_0-477_81_1, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-4_18_0-477_67_1

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: 9/24/2025

Vulnerability Publication Date: 5/16/2025

Reference Information

CVE: CVE-2025-37890, CVE-2025-38000, CVE-2025-38001, CVE-2025-38350

CWE: 416, 908

RHSA: 2025:16583

Detections

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