AlmaLinux 10 : kernel (ALSA-2026:27288)

high Nessus Plugin ID 323100

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-2026:27288 advisory.

* kernel: can: isotp: fix tx.buf use-after-free in isotp_sendmsg() (CVE-2026-31474)
* kernel: mptcp: fix slab-use-after-free in __inet_lookup_established (CVE-2026-31669)
* kernel: rxrpc: Fix RxGK token loading to check bounds (CVE-2026-31641)
* kernel: xen/privcmd: fix double free via VMA splitting (CVE-2026-31787)
* kernel: Buffer overflow in drivers/xen/sys-hypervisor.c (CVE-2026-31786)
* kernel: net: mana: fix use-after-free in add_adev() error path (CVE-2026-43056)
* kernel: Bluetooth: hci_sync: fix stack buffer overflow in hci_le_big_create_sync (CVE-2026-31772)
* kernel: bnxt_en: Fix RSS context delete logic (CVE-2026-43260)
* kernel: crypto: caam - fix overflow on long hmac keys (CVE-2026-43330)
* kernel: net/sched: act_pedit: extend the writable skb range per key (CVE-2026-46331)
* kernel: Bluetooth: hci_event: fix potential UAF in SSP passkey handlers (CVE-2026-46056)
* kernel: wifi: mac80211: drop stray 'static' from fast-RX rx_result (CVE-2026-46152)
* kernel: wifi: mac80211: remove station if connection prep fails (CVE-2026-46125)
* kernel: exit: prevent preemption of oopsing TASK_DEAD task (CVE-2026-46173)
* kernel: wifi: mac80211: use safe list iteration in radar detect work (CVE-2026-46166)


Bug Fix(es) and Enhancement(s):

* AlmaLinux10.0 - s390/ap: Expose ap_bindings_complete_count counter via sysfs [almalinux-10.2.z] (JIRA:AlmaLinux-166047)
* AlmaLinux9.5 crash due to lpfc NULL ndlp->vport [almalinux-10.2.z] (JIRA:AlmaLinux-171774)
* objtool static_call check blocks build of out-of-tree livepatch modules on AlmaLinux 10.2 GA kernels ? missing upstream revert f495054bd12e (JIRA:AlmaLinux-178495)
* ibmveth Adapter Freeze with Small MSS [almalinux-10.2.z] (JIRA:AlmaLinux-179723)
* rbd: eliminate a race in lock_dwork draining on unmap [almalinux-10.2.z] (JIRA:AlmaLinux-183127)
* AlmaLinux10.0 - s390/mm: Add missing secure storage access fixups [almalinux-10.2.z] (JIRA:AlmaLinux-183319)
* [AlmaLinux10.2.z] Enable Pretimeout Watchdog Panic Functionality on x86 (JIRA:AlmaLinux-182299)

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-2026:27288

https://errata.almalinux.org/10/ALSA-2026-27288.html

Plugin Details

Severity: High

ID: 323100

File Name: alma_linux_ALSA-2026-27288.nasl

Version: 1.1

Type: Local

Published: 6/26/2026

Updated: 6/26/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: High

Score: 7.4

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-2026-43260

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, 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, 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

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 6/19/2026

Vulnerability Publication Date: 4/22/2026

Reference Information

CVE: CVE-2026-31474, CVE-2026-31641, CVE-2026-31669, CVE-2026-31772, CVE-2026-31786, CVE-2026-31787, CVE-2026-43056, CVE-2026-43260, CVE-2026-43330, CVE-2026-46056, CVE-2026-46125, CVE-2026-46152, CVE-2026-46166, CVE-2026-46173, CVE-2026-46331

CWE: 1058, 125, 1341, 170, 190, 364, 413, 763, 772, 787, 825

RHSA: 2026:27288