RHEL 9 : kernel (RHSA-2025:21051)

high Nessus Plugin ID 274937

Synopsis

The remote Red Hat host is missing one or more security updates for kernel.

Description

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2025:21051 advisory.

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

* kernel: eventpoll: Fix semi-unbounded recursion (CVE-2025-38614)

* kernel: NFS: Fix a race when updating an existing write (CVE-2025-39697)

* kernel: wifi: brcmfmac: slab-out-of-bounds read in brcmf_get_assoc_ies() (CVE-2023-53213)

* kernel: wifi: ath9k: don't allow to overwrite ENDPOINT0 attributes (CVE-2023-53185)

* kernel: mt76: mt7921: fix kernel panic by accessing unallocated eeprom.data (CVE-2023-53232)

* kernel: mm: fix zswap writeback race condition (CVE-2023-53178)

* kernel: wifi: mwifiex: Fix OOB and integer underflow when rx packets (CVE-2023-53226)

* kernel: Bluetooth: L2CAP: Fix use-after-free (CVE-2023-53305)

* kernel: pstore/ram: Check start of empty przs during init (CVE-2023-53331)

* kernel: fs: fix UAF/GPF bug in nilfs_mdt_destroy (CVE-2022-50367)

* kernel: net: sched: sfb: fix null pointer access issue when sfb_init() fails (CVE-2022-50356)

* kernel: crypto: seqiv - Handle EBUSY correctly (CVE-2023-53373)

* kernel: mm: kmem: fix a NULL pointer dereference in obj_stock_flush_required() (CVE-2023-53401)

* kernel: Bluetooth: Fix potential use-after-free when clear keys (CVE-2023-53386)

* kernel: iomap: iomap: fix memory corruption when recording errors during writeback (CVE-2022-50406)

* kernel: crypto: xts - Handle EBUSY correctly (CVE-2023-53494)

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 kernel package based on the guidance in RHSA-2025:21051.

See Also

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

https://bugzilla.redhat.com/show_bug.cgi?id=2389491

https://bugzilla.redhat.com/show_bug.cgi?id=2393481

https://bugzilla.redhat.com/show_bug.cgi?id=2395267

https://bugzilla.redhat.com/show_bug.cgi?id=2395297

https://bugzilla.redhat.com/show_bug.cgi?id=2395322

https://bugzilla.redhat.com/show_bug.cgi?id=2395358

https://bugzilla.redhat.com/show_bug.cgi?id=2395420

https://bugzilla.redhat.com/show_bug.cgi?id=2395858

https://bugzilla.redhat.com/show_bug.cgi?id=2395880

https://bugzilla.redhat.com/show_bug.cgi?id=2396114

https://bugzilla.redhat.com/show_bug.cgi?id=2396152

https://bugzilla.redhat.com/show_bug.cgi?id=2396379

https://bugzilla.redhat.com/show_bug.cgi?id=2396417

https://bugzilla.redhat.com/show_bug.cgi?id=2396419

https://bugzilla.redhat.com/show_bug.cgi?id=2396538

https://bugzilla.redhat.com/show_bug.cgi?id=2400777

http://www.nessus.org/u?5f5e6826

https://access.redhat.com/errata/RHSA-2025:21051

Plugin Details

Severity: High

ID: 274937

File Name: redhat-RHSA-2025-21051.nasl

Version: 1.1

Type: local

Agent: unix

Published: 11/12/2025

Updated: 11/12/2025

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

Vendor

Vendor Severity: Moderate

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-2023-53305

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.8

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

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

CVSS Score Source: CVE-2023-53494

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:kernel, p-cpe:/a:redhat:enterprise_linux:kernel-debug, p-cpe:/a:redhat:enterprise_linux:kernel-debug-core, p-cpe:/a:redhat:enterprise_linux:kernel-debug-modules, p-cpe:/a:redhat:enterprise_linux:kernel-modules, p-cpe:/a:redhat:enterprise_linux:kernel-zfcpdump, p-cpe:/a:redhat:enterprise_linux:kernel-zfcpdump-modules, p-cpe:/a:redhat:enterprise_linux:kernel-debug-devel-matched, p-cpe:/a:redhat:enterprise_linux:kernel-devel-matched, p-cpe:/a:redhat:enterprise_linux:kernel-64k-debug, p-cpe:/a:redhat:enterprise_linux:kernel-64k-debug-core, p-cpe:/a:redhat:enterprise_linux:kernel-64k-debug-modules, p-cpe:/a:redhat:enterprise_linux:kernel-64k-devel-matched, p-cpe:/a:redhat:enterprise_linux:kernel-64k-modules, p-cpe:/a:redhat:enterprise_linux:kernel-64k-modules-core, p-cpe:/a:redhat:enterprise_linux:kernel-debug-modules-core, p-cpe:/a:redhat:enterprise_linux:kernel-debug-uki-virt, p-cpe:/a:redhat:enterprise_linux:kernel-zfcpdump-modules-core, cpe:/o:redhat:rhel_e4s:9.2, p-cpe:/a:redhat:enterprise_linux:kernel-debug-devel, p-cpe:/a:redhat:enterprise_linux:kernel-devel, p-cpe:/a:redhat:enterprise_linux:perf, p-cpe:/a:redhat:enterprise_linux:kernel-tools, p-cpe:/a:redhat:enterprise_linux:kernel-tools-libs, p-cpe:/a:redhat:enterprise_linux:bpftool, p-cpe:/a:redhat:enterprise_linux:kernel-core, p-cpe:/a:redhat:enterprise_linux:kernel-debug-modules-extra, p-cpe:/a:redhat:enterprise_linux:kernel-modules-extra, p-cpe:/a:redhat:enterprise_linux:kernel-zfcpdump-core, p-cpe:/a:redhat:enterprise_linux:kernel-zfcpdump-devel, p-cpe:/a:redhat:enterprise_linux:kernel-zfcpdump-modules-extra, p-cpe:/a:redhat:enterprise_linux:python3-perf, p-cpe:/a:redhat:enterprise_linux:kernel-zfcpdump-devel-matched, p-cpe:/a:redhat:enterprise_linux:kernel-64k, p-cpe:/a:redhat:enterprise_linux:kernel-64k-core, p-cpe:/a:redhat:enterprise_linux:kernel-64k-debug-devel, p-cpe:/a:redhat:enterprise_linux:kernel-64k-debug-devel-matched, p-cpe:/a:redhat:enterprise_linux:kernel-64k-debug-modules-core, p-cpe:/a:redhat:enterprise_linux:kernel-64k-debug-modules-extra, p-cpe:/a:redhat:enterprise_linux:kernel-64k-devel, p-cpe:/a:redhat:enterprise_linux:kernel-64k-modules-extra, p-cpe:/a:redhat:enterprise_linux:kernel-modules-core, p-cpe:/a:redhat:enterprise_linux:kernel-uki-virt, p-cpe:/a:redhat:enterprise_linux:rtla

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

Exploit Ease: No known exploits are available

Patch Publication Date: 11/12/2025

Vulnerability Publication Date: 9/4/2021

Reference Information

CVE: CVE-2022-50356, CVE-2022-50367, CVE-2022-50406, CVE-2023-53178, CVE-2023-53185, CVE-2023-53213, CVE-2023-53226, CVE-2023-53232, CVE-2023-53305, CVE-2023-53331, CVE-2023-53373, CVE-2023-53386, CVE-2023-53401, CVE-2023-53494, CVE-2025-38614, CVE-2025-39697

CWE: 125, 1285, 129, 362, 367, 416, 476, 664, 674

RHSA: 2025:21051