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AlmaLinux 8 : kernel-rt (ALSA-2025:19440)

high Nessus Plugin ID 274471

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Synopsis

The remote AlmaLinux host is missing one or more security updates.

Description

The remote AlmaLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2025:19440 advisory.

 * kernel: wifi: mac80211: check S1G action frame size (CVE-2023-53257)
 * kernel: wifi: mwifiex: Fix OOB and integer underflow when rx packets (CVE-2023-53226)
 * kernel: wifi: cfg80211: fix use-after-free in cmp_bss() (CVE-2025-39864)

Tenable has extracted the preceding description block directly from the AlmaLinux 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 affected packages.

See Also

https://errata.almalinux.org/8/ALSA-2025-19440.html

https://access.redhat.com/errata/RHSA-2025:19440

Plugin Details

Severity: High

ID: 274471

File Name: alma_linux_ALSA-2025-19440.nasl

Version: 1.1

Type: local

Published: 11/7/2025

Updated: 11/7/2025

Supported Sensors: Continuous Assessment, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: High

Score: 7.4

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

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

CVSS Score Source: CVE-2023-53226

CVSS v3

Risk Factor: High

Base Score: 7.1

Temporal Score: 6.2

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

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

Vulnerability Information

CPE: cpe:/o:alma:linux:8::nfv, cpe:/o:alma:linux:8::sap_hana, cpe:/o:alma:linux:8::resilientstorage, p-cpe:/a:alma:linux:kernel-rt-debug, p-cpe:/a:alma:linux:kernel-rt-modules, cpe:/o:alma:linux:8::appstream, cpe:/o:alma:linux:8, p-cpe:/a:alma:linux:kernel-rt-devel, cpe:/o:alma:linux:8::realtime, p-cpe:/a:alma:linux:kernel-rt-modules-extra, p-cpe:/a:alma:linux:kernel-rt-debug-modules, cpe:/o:alma:linux:8::baseos, p-cpe:/a:alma:linux:kernel-rt-core, p-cpe:/a:alma:linux:kernel-rt-debug-devel, cpe:/o:alma:linux:8::sap, p-cpe:/a:alma:linux:kernel-rt, p-cpe:/a:alma:linux:kernel-rt-debug-core, cpe:/o:alma:linux:8::supplementary, cpe:/o:alma:linux:8::highavailability, p-cpe:/a:alma:linux:kernel-rt-debug-modules-extra, cpe:/o:alma:linux:8::powertools

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

Exploit Ease: No known exploits are available

Patch Publication Date: 11/3/2025

Vulnerability Publication Date: 9/4/2021

Reference Information

CVE: CVE-2023-53226, CVE-2023-53257, CVE-2025-39864

CWE: 125, 416

RHSA: 2025:19440