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AlmaLinux 8 : kernel-rt (ALSA-2025:22800)

high Nessus Plugin ID 277924

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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-2025:22800 advisory.

 * kernel: mm: kmem: fix a NULL pointer dereference in obj_stock_flush_required() (CVE-2023-53401)
 * kernel: RDMA/rxe: Fix incomplete state save in rxe_requester (CVE-2023-53539)
 * kernel: RDMA/rxe: Fix mr->map double free (CVE-2022-50543)

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-2025-22800.html

https://access.redhat.com/errata/RHSA-2025:22800

Plugin Details

Severity: High

ID: 277924

File Name: alma_linux_ALSA-2025-22800.nasl

Version: 1.1

Type: local

Published: 12/9/2025

Updated: 12/9/2025

Supported Sensors: Continuous Assessment, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

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-2022-50543

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: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, p-cpe:/a:alma:linux:kernel-rt-core, p-cpe:/a:alma:linux:kernel-rt-debug-devel, cpe:/o:alma:linux:8::baseos, cpe:/o:alma:linux:8::realtime, cpe:/o:alma:linux:8::sap, p-cpe:/a:alma:linux:kernel-rt-debug-core, p-cpe:/a:alma:linux:kernel-rt, 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/AlmaLinux/release, Host/AlmaLinux/rpm-list, Host/cpu

Exploit Ease: No known exploits are available

Patch Publication Date: 12/8/2025

Vulnerability Publication Date: 9/7/2023

Reference Information

CVE: CVE-2022-50543, CVE-2023-53401, CVE-2023-53539

CWE: 1341, 362

RHSA: 2025:22800