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AlmaLinux 10 : kernel (ALSA-2026:54343)

critical Nessus Plugin ID 335441

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-2026:54343 advisory.

 * kernel: accel/ivpu: Fix signed integer truncation in IPC receive (CVE-2026-53202)
 * kernel: net/sched: act_api: use RCU with deferred freeing for action lifecycle (CVE-2026-53264)
 * kernel: scsi: target: iscsi: Bound iscsi_encode_text_output() appends to rsp_buf (CVE-2026-63887)
 * kernel: perf/aux: Fix page UAF in map_range() (CVE-2026-64300)
 * kernel: af_unix: set gc_in_progress to true in unix_gc() (CVE-2026-53361)


 Bug Fix(es) and Enhancement(s):

 * netfilter: CVE backports for AlmaLinux 10.2.z (JIRA:AlmaLinux-185311)
 * tlbflush - Windows Driver Verifier catches FLTMGR/Ntfs crashes during KVM 42-VM soak test on AMD EPYC Turin [almalinux-10.2.z] (JIRA:AlmaLinux-214436)

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-2026:54343

https://errata.almalinux.org/10/ALSA-2026-54343.html

Plugin Details

Severity: Critical

ID: 335441

File Name: alma_linux_ALSA-2026-54343.nasl

Version: 1.1

Type: Local

Published: 8/14/2026

Updated: 8/14/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: High

Score: 7.9

Percentile: 99.36

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.4

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

CVSS Score Source: CVE-2026-63887

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/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:10, cpe:/o:alma:linux:10::appstream, cpe:/o:alma:linux:10::baseos, cpe:/o:alma:linux:10::highavailability, cpe:/o:alma:linux:10::nfv, cpe:/o:alma:linux:10::powertools, cpe:/o:alma:linux:10::realtime, cpe:/o:alma:linux:10::resilientstorage, cpe:/o:alma:linux:10::sap, cpe:/o:alma:linux:10::sap_hana, cpe:/o:alma:linux:10::supplementary, p-cpe:/a:alma:linux:kernel-64k-core, p-cpe:/a:alma:linux:kernel-64k-debug-core, p-cpe:/a:alma:linux:kernel-64k-debug-devel-matched, p-cpe:/a:alma:linux:kernel-64k-debug-devel, p-cpe:/a:alma:linux:kernel-64k-debug-modules-core, p-cpe:/a:alma:linux:kernel-64k-debug-modules-extra, p-cpe:/a:alma:linux:kernel-64k-debug-modules, p-cpe:/a:alma:linux:kernel-64k-debug, p-cpe:/a:alma:linux:kernel-64k-devel-matched, p-cpe:/a:alma:linux:kernel-64k-devel, p-cpe:/a:alma:linux:kernel-64k-modules-core, p-cpe:/a:alma:linux:kernel-64k-modules-extra, p-cpe:/a:alma:linux:kernel-64k-modules, p-cpe:/a:alma:linux:kernel-64k, p-cpe:/a:alma:linux:kernel-abi-stablelists, p-cpe:/a:alma:linux:kernel-core, p-cpe:/a:alma:linux:kernel-cross-headers, p-cpe:/a:alma:linux:kernel-debug-core, p-cpe:/a:alma:linux:kernel-debug-devel-matched, p-cpe:/a:alma:linux:kernel-debug-devel, p-cpe:/a:alma:linux:kernel-debug-modules-core, p-cpe:/a:alma:linux:kernel-debug-modules-extra, p-cpe:/a:alma:linux:kernel-debug-modules, p-cpe:/a:alma:linux:kernel-debug-uki-virt, p-cpe:/a:alma:linux:kernel-debug, p-cpe:/a:alma:linux:kernel-devel-matched, p-cpe:/a:alma:linux:kernel-devel, p-cpe:/a:alma:linux:kernel-headers, p-cpe:/a:alma:linux:kernel-modules-core, p-cpe:/a:alma:linux:kernel-modules-extra-matched, p-cpe:/a:alma:linux:kernel-modules-extra, p-cpe:/a:alma:linux:kernel-modules, p-cpe:/a:alma:linux:kernel-rt-64k-core, p-cpe:/a:alma:linux:kernel-rt-64k-debug-core, p-cpe:/a:alma:linux:kernel-rt-64k-debug-devel, p-cpe:/a:alma:linux:kernel-rt-64k-debug-modules-core, p-cpe:/a:alma:linux:kernel-rt-64k-debug-modules-extra, p-cpe:/a:alma:linux:kernel-rt-64k-debug-modules, p-cpe:/a:alma:linux:kernel-rt-64k-debug, p-cpe:/a:alma:linux:kernel-rt-64k-devel, p-cpe:/a:alma:linux:kernel-rt-64k-modules-core, p-cpe:/a:alma:linux:kernel-rt-64k-modules-extra, p-cpe:/a:alma:linux:kernel-rt-64k-modules, p-cpe:/a:alma:linux:kernel-rt-64k, p-cpe:/a:alma:linux:kernel-rt-core, p-cpe:/a:alma:linux:kernel-rt-debug-core, p-cpe:/a:alma:linux:kernel-rt-debug-devel, p-cpe:/a:alma:linux:kernel-rt-debug-modules-core, p-cpe:/a:alma:linux:kernel-rt-debug-modules-extra, p-cpe:/a:alma:linux:kernel-rt-debug-modules, p-cpe:/a:alma:linux:kernel-rt-debug, p-cpe:/a:alma:linux:kernel-rt-devel, p-cpe:/a:alma:linux:kernel-rt-modules-core, p-cpe:/a:alma:linux:kernel-rt-modules-extra, p-cpe:/a:alma:linux:kernel-rt-modules, p-cpe:/a:alma:linux:kernel-rt, p-cpe:/a:alma:linux:kernel-tools-libs-devel, p-cpe:/a:alma:linux:kernel-tools-libs, p-cpe:/a:alma:linux:kernel-tools, p-cpe:/a:alma:linux:kernel-uki-virt-addons, p-cpe:/a:alma:linux:kernel-uki-virt, p-cpe:/a:alma:linux:kernel-zfcpdump-core, p-cpe:/a:alma:linux:kernel-zfcpdump-devel-matched, p-cpe:/a:alma:linux:kernel-zfcpdump-devel, p-cpe:/a:alma:linux:kernel-zfcpdump-modules-core, p-cpe:/a:alma:linux:kernel-zfcpdump-modules-extra, p-cpe:/a:alma:linux:kernel-zfcpdump-modules, p-cpe:/a:alma:linux:kernel-zfcpdump, p-cpe:/a:alma:linux:kernel, p-cpe:/a:alma:linux:libperf, p-cpe:/a:alma:linux:perf, p-cpe:/a:alma:linux:python3-perf, p-cpe:/a:alma:linux:rtla, p-cpe:/a:alma:linux:rv

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: 8/12/2026

Vulnerability Publication Date: 6/25/2026

Reference Information

CVE: CVE-2026-53202, CVE-2026-53264, CVE-2026-63887, CVE-2026-64300

CWE: 120, 364, 825

RHSA: 2026:54343