RHEL 7 : kernel (RHSA-2025:23947)

high Nessus Plugin ID 279558

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Synopsis

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

Description

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2025:23947 advisory.

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

Security Fix(es):

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

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

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

* 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: 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: ext4: fix undefined behavior in bit shift for ext4_check_flag_values (CVE-2022-50403)

* kernel: NFSD: Protect against send buffer overflow in NFSv2 READ (CVE-2022-50410)

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

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

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-2025:23947.

Plugin Details

Severity: High

ID: 279558

File Name: redhat-RHSA-2025-23947.nasl

Version: 1.1

Type: local

Agent: unix

Family: Red Hat Local Security Checks

Published: 12/22/2025

Updated: 12/22/2025

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: 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: cpe:/o:redhat:rhel_els:7, p-cpe:/a:redhat:enterprise_linux:bpftool, p-cpe:/a:redhat:enterprise_linux:kernel-tools, cpe:/o:redhat:enterprise_linux:7, p-cpe:/a:redhat:enterprise_linux:kernel-devel, p-cpe:/a:redhat:enterprise_linux:kernel-tools-libs-devel, p-cpe:/a:redhat:enterprise_linux:kernel-debug-devel, p-cpe:/a:redhat:enterprise_linux:kernel-kdump, p-cpe:/a:redhat:enterprise_linux:kernel-bootwrapper, p-cpe:/a:redhat:enterprise_linux:kernel-tools-libs, p-cpe:/a:redhat:enterprise_linux:python-perf, p-cpe:/a:redhat:enterprise_linux:kernel-kdump-devel, p-cpe:/a:redhat:enterprise_linux:kernel, p-cpe:/a:redhat:enterprise_linux:kernel-debug, p-cpe:/a:redhat:enterprise_linux:perf

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: 12/22/2025

Vulnerability Publication Date: 9/4/2021

Reference Information

CVE: CVE-2022-50356, CVE-2022-50367, CVE-2022-50406, CVE-2022-50410, CVE-2023-53178, CVE-2023-53297, CVE-2023-53322, CVE-2025-38729, CVE-2025-39757, CVE-2025-39955

CWE: 125, 190, 20, 213, 367, 416, 476, 787, 832

RHSA: 2025:23947

Detections

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