RHEL 8 : kpatch-patch-4_18_0-553_16_1, kpatch-patch-4_18_0-553_30_1, kpatch-patch-4_18_0-553_40_1, kpatch-patch-4_18_0-553_53_1, and kpatch-patch-4_18_0-553_72_1 (RHSA-2025:15921)

high Nessus Plugin ID 264893

Synopsis

The remote Red Hat host is missing one or more security updates for kpatch-patch-4_18_0-553_16_1 / kpatch- patch-4_18_0-553_30_1 / kpatch-patch-4_18_0-553_40_1 / kpatch-patch-4_18_0-553_53_1 / kpatch-patch-4_18_0-553_72_1.

Description

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2025:15921 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-4.18.0-553.16.1.el8_10.

Security Fix(es):

* kernel: net/tipc: fix slab-use-after-free Read in tipc_aead_encrypt_done (CVE-2025-38052)

* kernel: posix-cpu-timers: fix race between handle_posix_cpu_timers() and posix_cpu_timer_del() (CVE-2025-38352)

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_0-553_16_1 / kpatch-patch-4_18_0-553_30_1 / kpatch-patch-4_18_0-553_40_1 / kpatch- patch-4_18_0-553_53_1 / kpatch-patch-4_18_0-553_72_1 packages based on the guidance in RHSA-2025:15921.

Plugin Details

Severity: High

ID: 264893

File Name: redhat-RHSA-2025-15921.nasl

Version: 1.1

Type: local

Agent: unix

Family: Red Hat Local Security Checks

Published: 9/16/2025

Updated: 9/16/2025

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Critical

Score: 9.0

Vendor

Vendor Severity: Important

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5.6

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

CVSS Score Source: CVE-2025-38352

CVSS v3

Risk Factor: High

Base Score: 7.4

Temporal Score: 6.9

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

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

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:kpatch-patch-4_18_0-553_53_1, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-4_18_0-553_30_1, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-4_18_0-553_72_1, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-4_18_0-553_40_1, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-4_18_0-553_16_1, cpe:/o:redhat:rhel_eus:8.10, cpe:/o:redhat:enterprise_linux:8

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: 9/16/2025

Vulnerability Publication Date: 6/18/2025

CISA Known Exploited Vulnerability Due Dates: 9/25/2025

Reference Information

CVE: CVE-2025-38052, CVE-2025-38352

CWE: 362, 416

RHSA: 2025:15921

Detections

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