RHEL 8 : kernel (RHSA-2025:18932)

high Nessus Plugin ID 271153

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-2025:18932 advisory.

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

Security Fix(es):

* kernel: nfsd: don't ignore the return code of svc_proc_register() (CVE-2025-22026)

* kernel: net_sched: hfsc: Fix a UAF vulnerability in class handling (CVE-2025-37797)

* kernel: net: usb: smsc75xx: Limit packet length to skb->len (CVE-2023-53125)

* kernel: KVM: SVM: Don't BUG if userspace injects an interrupt with GIF=0 (CVE-2022-50228)

* kernel: vsock: Fix transport_* TOCTOU (CVE-2025-38461)

* kernel: HID: core: Harden s32ton() against conversion to 0 bits (CVE-2025-38556)

* kernel: NFS: Fix filehandle bounds checking in nfs_fh_to_dentry() (CVE-2025-39730)

* kernel: ALSA: hda/ca0132: Fix buffer overflow in add_tuning_control (CVE-2025-39751)

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

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-2025:18932.

See Also

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

https://bugzilla.redhat.com/show_bug.cgi?id=2360224

https://bugzilla.redhat.com/show_bug.cgi?id=2363672

https://bugzilla.redhat.com/show_bug.cgi?id=2363686

https://bugzilla.redhat.com/show_bug.cgi?id=2373529

https://bugzilla.redhat.com/show_bug.cgi?id=2383513

https://bugzilla.redhat.com/show_bug.cgi?id=2389456

https://bugzilla.redhat.com/show_bug.cgi?id=2393731

https://bugzilla.redhat.com/show_bug.cgi?id=2394624

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

http://www.nessus.org/u?b722582c

https://access.redhat.com/errata/RHSA-2025:18932

Plugin Details

Severity: High

ID: 271153

File Name: redhat-RHSA-2025-18932.nasl

Version: 1.1

Type: local

Agent: unix

Published: 10/22/2025

Updated: 10/22/2025

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

Vendor

Vendor Severity: Moderate

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

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

CVSS Score Source: CVE-2023-53125

CVSS v3

Risk Factor: High

Base Score: 7.6

Temporal Score: 6.6

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

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

CVSS Score Source: CVE-2023-53305

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-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:python3-perf, cpe:/o:redhat:rhel_e4s:8.8, cpe:/o:redhat:rhel_tus:8.8

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: 10/22/2025

Vulnerability Publication Date: 9/4/2021

Reference Information

CVE: CVE-2022-50228, CVE-2023-53125, CVE-2023-53305, CVE-2025-22026, CVE-2025-37797, CVE-2025-38461, CVE-2025-38556, CVE-2025-39730

CWE: 120, 125, 252, 416, 664

RHSA: 2025:18932