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AlmaLinux 8 : kernel-rt (ALSA-2025:19103)

high Nessus Plugin ID 271859

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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-2025:19103 advisory.

 * 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)

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-2025-19103.html

https://access.redhat.com/errata/RHSA-2025:19103

Plugin Details

Severity: High

ID: 271859

File Name: alma_linux_ALSA-2025-19103.nasl

Version: 1.1

Type: local

Published: 10/28/2025

Updated: 10/28/2025

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: High

Score: 7.4

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

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

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: 2025:19103