RHEL 8 : kernel (RHSA-2025:23463)

high Nessus Plugin ID 279030

Synopsis

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

Description

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2025:23463 advisory.

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

Security Fix(es):

* kernel: ethtool: check device is present when getting link settings (CVE-2024-46679)

* kernel: ALSA: usb-audio: Validate UAC3 power domain descriptors, too (CVE-2025-38729)

* kernel: sctp: linearize cloned gso packets in sctp_rcv (CVE-2025-38718)

* kernel: nfsd: handle get_client_locked() failure in nfsd4_setclientid_confirm() (CVE-2025-38724)

* kernel: ALSA: usb-audio: Validate UAC3 cluster segment descriptors (CVE-2025-39757)

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

* kernel: Bluetooth: L2CAP: fix bad unlock balance in l2cap_disconnect_rsp (CVE-2023-53297)

* kernel: scsi: qla2xxx: Wait for io return on terminate rport (CVE-2023-53322)

* kernel: ip6mr: Fix skb_under_panic in ip6mr_cache_report() (CVE-2023-53365)

* kernel: RDMA/mlx5: Fix mlx5_ib_get_hw_stats when used for device (CVE-2023-53393)

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

* kernel: scsi: lpfc: Fix buffer free/clear order in deferred receive path (CVE-2025-39841)

* kernel: tcp: Clear tcp_sk(sk)->fastopen_rsk in tcp_disconnect() (CVE-2025-39955)

* kernel: tcp: Don't call reqsk_fastopen_remove() in tcp_conn_request() (CVE-2025-40186)

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-2025:23463.

See Also

https://bugzilla.redhat.com/show_bug.cgi?id=2393166

https://bugzilla.redhat.com/show_bug.cgi?id=2393172

https://bugzilla.redhat.com/show_bug.cgi?id=2394615

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

https://bugzilla.redhat.com/show_bug.cgi?id=2395681

https://bugzilla.redhat.com/show_bug.cgi?id=2395891

https://bugzilla.redhat.com/show_bug.cgi?id=2396130

https://bugzilla.redhat.com/show_bug.cgi?id=2396376

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

https://bugzilla.redhat.com/show_bug.cgi?id=2396944

https://bugzilla.redhat.com/show_bug.cgi?id=2402699

https://bugzilla.redhat.com/show_bug.cgi?id=2414724

http://www.nessus.org/u?eb6eb1f0

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

https://bugzilla.redhat.com/show_bug.cgi?id=2312067

https://bugzilla.redhat.com/show_bug.cgi?id=2393164

https://access.redhat.com/errata/RHSA-2025:23463

Plugin Details

Severity: High

ID: 279030

File Name: redhat-RHSA-2025-23463.nasl

Version: 1.1

Type: local

Agent: unix

Published: 12/17/2025

Updated: 12/17/2025

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: Important

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

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

CVSS Score Source: CVE-2023-53322

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

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:kernel-debug-devel, p-cpe:/a:redhat:enterprise_linux:kernel-debug, p-cpe:/a:redhat:enterprise_linux:kernel-tools, p-cpe:/a:redhat:enterprise_linux:kernel-modules, p-cpe:/a:redhat:enterprise_linux:kernel-debug-modules, p-cpe:/a:redhat:enterprise_linux:bpftool, p-cpe:/a:redhat:enterprise_linux:python3-perf, p-cpe:/a:redhat:enterprise_linux:kernel-devel, p-cpe:/a:redhat:enterprise_linux:kernel, p-cpe:/a:redhat:enterprise_linux:kernel-tools-libs, p-cpe:/a:redhat:enterprise_linux:kernel-modules-extra, cpe:/o:redhat:rhel_aus:8.4, p-cpe:/a:redhat:enterprise_linux:kernel-debug-core, cpe:/o:redhat:enterprise_linux:8, p-cpe:/a:redhat:enterprise_linux:perf, p-cpe:/a:redhat:enterprise_linux:kernel-core, p-cpe:/a:redhat:enterprise_linux:kernel-debug-modules-extra

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: 12/17/2025

Vulnerability Publication Date: 9/4/2021

Reference Information

CVE: CVE-2022-50406, CVE-2023-53226, CVE-2023-53297, CVE-2023-53322, CVE-2023-53365, CVE-2023-53393, CVE-2024-46679, CVE-2025-38718, CVE-2025-38724, CVE-2025-38729, CVE-2025-39757, CVE-2025-39841, CVE-2025-39955, CVE-2025-40186

CWE: 124, 125, 20, 213, 367, 416, 664, 787, 826, 832, 99

RHSA: 2025:23463