AlmaLinux 10 : kernel (ALSA-2026:36541)

high Nessus Plugin ID 326058

Synopsis

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

Description

The remote AlmaLinux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:36541 advisory.

* kernel: eventpoll: defer struct eventpoll free to RCU grace period (CVE-2026-43074)
* kernel: net: mana: Fix double destroy_workqueue on service rescan PCI path (CVE-2026-43276)
* kernel: net/ipv6: ioam6: prevent schema length wraparound in trace fill (CVE-2026-43341)
* kernel: smb/client: fix out-of-bounds read in smb2_compound_op() (CVE-2026-46155)
* kernel: eventpoll: fix ep_remove struct eventpoll / struct file UAF (CVE-2026-46242)
* kernel: procfs: fix missing RCU protection when reading real_parent in do_task_stat() (CVE-2026-46259)


Bug Fix(es) and Enhancement(s):

* CNB103: net: page_pool: avoid false positive warning if NAPI was never added [almalinux-10.2.z] (JIRA:AlmaLinux-162140)
* [AlmaLinux 10] Bonding reports unknown speed/duplex for tg3 interface [almalinux-10.2.z] (JIRA:AlmaLinux-182770)

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-2026:36541

https://errata.almalinux.org/10/ALSA-2026-36541.html

Plugin Details

Severity: High

ID: 326058

File Name: alma_linux_ALSA-2026-36541.nasl

Version: 1.1

Type: Local

Published: 7/9/2026

Updated: 7/9/2026

Supported Sensors: Continuous Assessment, Nessus Agent, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Risk Information

VPR

Risk Factor: High

Score: 8.9

Percentile: 99.7

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5.3

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

CVSS Score Source: CVE-2026-43276

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 7

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:P/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:alma:linux:kernel-rt-64k-modules, p-cpe:/a:alma:linux:kernel-zfcpdump-devel-matched, p-cpe:/a:alma:linux:kernel-rt-modules, p-cpe:/a:alma:linux:kernel-64k-core, p-cpe:/a:alma:linux:kernel-rt-64k-debug-modules-core, p-cpe:/a:alma:linux:kernel-zfcpdump-modules-core, p-cpe:/a:alma:linux:kernel-rt-modules-extra, p-cpe:/a:alma:linux:perf, cpe:/o:alma:linux:10::powertools, p-cpe:/a:alma:linux:kernel-rt-debug-modules-extra, p-cpe:/a:alma:linux:kernel-64k-debug-modules-extra, cpe:/o:alma:linux:10::baseos, p-cpe:/a:alma:linux:kernel-rt-64k-debug-modules, p-cpe:/a:alma:linux:kernel-64k-debug-devel-matched, p-cpe:/a:alma:linux:kernel-debug-devel, p-cpe:/a:alma:linux:kernel-zfcpdump-devel, p-cpe:/a:alma:linux:kernel-rt-devel, cpe:/o:alma:linux:10::resilientstorage, p-cpe:/a:alma:linux:kernel-64k-debug, p-cpe:/a:alma:linux:rv, p-cpe:/a:alma:linux:kernel-cross-headers, p-cpe:/a:alma:linux:kernel-debug-modules-extra, cpe:/o:alma:linux:10::supplementary, p-cpe:/a:alma:linux:kernel-uki-virt-addons, p-cpe:/a:alma:linux:rtla, p-cpe:/a:alma:linux:kernel-64k-debug-devel, 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-modules, p-cpe:/a:alma:linux:kernel-64k, p-cpe:/a:alma:linux:kernel-rt-64k-debug-devel, p-cpe:/a:alma:linux:kernel-rt, p-cpe:/a:alma:linux:kernel-debug-modules, p-cpe:/a:alma:linux:kernel-devel-matched, p-cpe:/a:alma:linux:kernel-rt-debug-modules-core, p-cpe:/a:alma:linux:kernel-64k-modules, p-cpe:/a:alma:linux:kernel-rt-64k-debug, p-cpe:/a:alma:linux:kernel-abi-stablelists, cpe:/o:alma:linux:10::sap_hana, p-cpe:/a:alma:linux:kernel-modules-extra-matched, p-cpe:/a:alma:linux:kernel-tools-libs-devel, p-cpe:/a:alma:linux:kernel-modules-core, p-cpe:/a:alma:linux:kernel, p-cpe:/a:alma:linux:kernel-modules-extra, p-cpe:/a:alma:linux:kernel-rt-debug-modules, p-cpe:/a:alma:linux:kernel-64k-debug-modules, cpe:/o:alma:linux:10::appstream, p-cpe:/a:alma:linux:kernel-64k-devel, p-cpe:/a:alma:linux:kernel-zfcpdump, p-cpe:/a:alma:linux:kernel-zfcpdump-modules-extra, cpe:/o:alma:linux:10::highavailability, p-cpe:/a:alma:linux:kernel-debug-modules-core, p-cpe:/a:alma:linux:kernel-64k-debug-core, p-cpe:/a:alma:linux:kernel-rt-64k-debug-core, p-cpe:/a:alma:linux:kernel-rt-debug-core, p-cpe:/a:alma:linux:kernel-rt-debug, p-cpe:/a:alma:linux:kernel-devel, cpe:/o:alma:linux:10, p-cpe:/a:alma:linux:kernel-uki-virt, p-cpe:/a:alma:linux:kernel-debug-devel-matched, p-cpe:/a:alma:linux:kernel-tools-libs, p-cpe:/a:alma:linux:kernel-debug-uki-virt, p-cpe:/a:alma:linux:kernel-rt-64k-debug-modules-extra, p-cpe:/a:alma:linux:kernel-tools, p-cpe:/a:alma:linux:kernel-rt-modules-core, p-cpe:/a:alma:linux:libperf, p-cpe:/a:alma:linux:kernel-rt-64k, p-cpe:/a:alma:linux:kernel-rt-core, p-cpe:/a:alma:linux:kernel-64k-modules-core, cpe:/o:alma:linux:10::nfv, p-cpe:/a:alma:linux:kernel-zfcpdump-core, p-cpe:/a:alma:linux:kernel-rt-debug-devel, p-cpe:/a:alma:linux:kernel-64k-debug-modules-core, p-cpe:/a:alma:linux:kernel-debug-core, p-cpe:/a:alma:linux:kernel-modules, p-cpe:/a:alma:linux:kernel-rt-64k-modules-extra, p-cpe:/a:alma:linux:kernel-rt-64k-modules-core, p-cpe:/a:alma:linux:kernel-64k-devel-matched, cpe:/o:alma:linux:10::sap, p-cpe:/a:alma:linux:kernel-rt-64k-devel, p-cpe:/a:alma:linux:kernel-rt-64k-core, cpe:/o:alma:linux:10::realtime, p-cpe:/a:alma:linux:python3-perf, p-cpe:/a:alma:linux:kernel-64k-modules-extra

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 7/8/2026

Vulnerability Publication Date: 3/27/2026

Reference Information

CVE: CVE-2026-43074, CVE-2026-43276, CVE-2026-43341, CVE-2026-46155, CVE-2026-46242, CVE-2026-46259

CWE: 130, 1341, 787, 820, 825

RHSA: 2026:36541