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RHEL 8 : kernel (RHSA-2025:19102)

high Nessus Plugin ID 271728

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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 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2025:19102 advisory.

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

 Security Fix(es):

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

 * kernel: efivarfs: Fix slab-out-of-bounds in efivarfs_d_compare (CVE-2025-39817)

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

 * kernel: Bluetooth: L2CAP: Fix user-after-free (CVE-2022-50386)

 * kernel: wifi: cfg80211: sme: cap SSID length in __cfg80211_connect_result() (CVE-2025-39849)

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

 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-2025:19102.

See Also

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

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

https://bugzilla.redhat.com/show_bug.cgi?id=2395805

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

https://bugzilla.redhat.com/show_bug.cgi?id=2396431

https://bugzilla.redhat.com/show_bug.cgi?id=2396928

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

http://www.nessus.org/u?db707fdc

https://access.redhat.com/errata/RHSA-2025:19102

Plugin Details

Severity: High

ID: 271728

File Name: redhat-RHSA-2025-19102.nasl

Version: 1.1

Type: local

Agent: unix

Published: 10/28/2025

Updated: 10/28/2025

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

Risk Information

VPR

Risk Factor: High

Score: 7.4

Vendor

Vendor Severity: Moderate

CVSS v2

Risk Factor: High

Base Score: 7.4

Temporal Score: 5.5

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

CVSS Score Source: CVE-2022-50386

CVSS v3

Risk Factor: High

Base Score: 7.6

Temporal Score: 6.6

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

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

Vulnerability Information

CPE: 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:kernel-debug-devel, cpe:/o:redhat:rhel_eus:8.10, p-cpe:/a:redhat:enterprise_linux:kernel-zfcpdump-modules, p-cpe:/a:redhat:enterprise_linux:kernel-debug, p-cpe:/a:redhat:enterprise_linux:bpftool, p-cpe:/a:redhat:enterprise_linux:kernel, p-cpe:/a:redhat:enterprise_linux:kernel-debug-core, p-cpe:/a:redhat:enterprise_linux:perf, cpe:/o:redhat:enterprise_linux:8, p-cpe:/a:redhat:enterprise_linux:kernel-zfcpdump, p-cpe:/a:redhat:enterprise_linux:kernel-devel, p-cpe:/a:redhat:enterprise_linux:python3-perf, p-cpe:/a:redhat:enterprise_linux:kernel-tools-libs-devel, p-cpe:/a:redhat:enterprise_linux:kernel-modules-extra, p-cpe:/a:redhat:enterprise_linux:kernel-tools-libs, p-cpe:/a:redhat:enterprise_linux:kernel-core, p-cpe:/a:redhat:enterprise_linux:kernel-zfcpdump-core, p-cpe:/a:redhat:enterprise_linux:kernel-debug-modules-extra, p-cpe:/a:redhat:enterprise_linux:kernel-zfcpdump-modules-extra, p-cpe:/a:redhat:enterprise_linux:kernel-zfcpdump-devel

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: 10/27/2025

Vulnerability Publication Date: 9/4/2021

Reference Information

CVE: CVE-2022-50386, CVE-2023-53297, CVE-2023-53386, CVE-2025-39817, CVE-2025-39841, CVE-2025-39849

CWE: 125, 416, 787, 832

RHSA: 2025:19102