AlmaLinux 8 : kernel (ALSA-2026:2264)

high Nessus Plugin ID 298502

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-2026:2264 advisory.

* kernel: vsock/vmci: Clear the vmci transport packet properly when initializing it (CVE-2025-38403)
* kernel: net: use dst_dev_rcu() in sk_setup_caps() (CVE-2025-40170)
* kernel: ipv6: use RCU in ip6_xmit() (CVE-2025-40135)
* kernel: ipv6: use RCU in ip6_output() (CVE-2025-40158)
* kernel: Linux kernel ALSA USB audio driver: Buffer overflow leading to information disclosure and denial of service (CVE-2025-40269)
* kernel: ext4: fix use-after-free in ext4_orphan_cleanup (CVE-2022-50673)
* kernel: NFSv4/pNFS: Clear NFS_INO_LAYOUTCOMMIT in pnfs_mark_layout_stateid_invalid (CVE-2025-68349)
* kernel: nvme-tcp: fix NULL pointer dereferences in nvmet_tcp_build_pdu_iovec (CVE-2026-22998)

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-2026-2264.html

https://access.redhat.com/errata/RHSA-2026:2264

Plugin Details

Severity: High

ID: 298502

File Name: alma_linux_ALSA-2026-2264.nasl

Version: 1.1

Type: local

Published: 2/10/2026

Updated: 2/10/2026

Supported Sensors: Continuous Assessment, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

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-2025-38403

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: p-cpe:/a:alma:linux:kernel-tools, p-cpe:/a:alma:linux:kernel-cross-headers, p-cpe:/a:alma:linux:kernel-debug-modules-extra, p-cpe:/a:alma:linux:kernel-tools-libs-devel, p-cpe:/a:alma:linux:kernel, cpe:/o:alma:linux:8::appstream, p-cpe:/a:alma:linux:kernel-debug, p-cpe:/a:alma:linux:kernel-headers, p-cpe:/a:alma:linux:kernel-core, p-cpe:/a:alma:linux:kernel-zfcpdump-core, p-cpe:/a:alma:linux:kernel-zfcpdump, p-cpe:/a:alma:linux:kernel-zfcpdump-modules-extra, p-cpe:/a:alma:linux:perf, p-cpe:/a:alma:linux:kernel-debug-core, p-cpe:/a:alma:linux:kernel-modules, p-cpe:/a:alma:linux:kernel-zfcpdump-modules, cpe:/o:alma:linux:8::nfv, cpe:/o:alma:linux:8::powertools, cpe:/o:alma:linux:8, p-cpe:/a:alma:linux:kernel-debug-modules, cpe:/o:alma:linux:8::supplementary, p-cpe:/a:alma:linux:bpftool, p-cpe:/a:alma:linux:kernel-devel, p-cpe:/a:alma:linux:python3-perf, p-cpe:/a:alma:linux:kernel-debug-devel, p-cpe:/a:alma:linux:kernel-zfcpdump-devel, cpe:/o:alma:linux:8::sap_hana, cpe:/o:alma:linux:8::realtime, p-cpe:/a:alma:linux:kernel-modules-extra, cpe:/o:alma:linux:8::highavailability, p-cpe:/a:alma:linux:kernel-tools-libs, cpe:/o:alma:linux:8::resilientstorage, cpe:/o:alma:linux:8::baseos, cpe:/o:alma:linux:8::sap, p-cpe:/a:alma:linux:kernel-abi-stablelists

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: 2/9/2026

Vulnerability Publication Date: 7/25/2025

Reference Information

CVE: CVE-2022-50673, CVE-2025-38403, CVE-2025-40135, CVE-2025-40158, CVE-2025-40170, CVE-2025-40269, CVE-2025-68349, CVE-2026-22998

CWE: 131, 416, 476, 825, 909

RHSA: 2026:2264