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AlmaLinux 8 : kernel (ALSA-2026:33743)

high Nessus Plugin ID 324589

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-2026:33743 advisory.

 * kernel: scsi: target: iscsi: Fix use-after-free in iscsit_dec_conn_usage_count() (CVE-2026-23216)
 * kernel: gfs2: Fix use-after-free in iomap inline data write path (CVE-2026-45984)
 * kernel: RDMA/vmw_pvrdma: Fix double free on pvrdma_alloc_ucontext() error path (CVE-2026-46189)


 Bug Fix(es) and Enhancement(s):

 * [AlmaLinux 8.10.z] Add an .sbat section to the x86 kernel (JIRA:AlmaLinux-182788)
 * Incorrect message NFS: Server wrote zero bytes is shown in the logs (JIRA:AlmaLinux-147665)

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://access.redhat.com/errata/RHSA-2026:33743

https://errata.almalinux.org/8/ALSA-2026-33743.html

Plugin Details

Severity: High

ID: 324589

File Name: alma_linux_ALSA-2026-33743.nasl

Version: 1.1

Type: Local

Published: 7/1/2026

Updated: 7/1/2026

Supported Sensors: Continuous Assessment, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.9

Percentile: 96.99

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-2026-46189

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-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-tools, p-cpe:/a:alma:linux:kernel-cross-headers, 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: 6/30/2026

Vulnerability Publication Date: 2/18/2026

Reference Information

CVE: CVE-2026-23216, CVE-2026-45984, CVE-2026-46189

CWE: 1341, 413, 826

RHSA: 2026:33743