RHEL 8 : kernel (RHSA-2026:94996)

critical Nessus Plugin ID 375767

Synopsis

The remote Red Hat host is missing one or more security updates.

Description

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:94996 advisory.

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

* kernel: net/sched: ets: Always remove class from active list before deleting in ets_qdisc_change (CVE-2025-71066)

* kernel: procfs: fix missing RCU protection when reading real_parent in do_task_stat() (CVE-2026-46259)

* kernel: nvmet-tcp: check INIT_FAILED before nvmet_req_uninit in digest error path (CVE-2026-64534)

* kernel: Linux kernel: libceph stack out-of-bounds write via crafted OSDMap (CVE-2026-68159)

* kernel: libceph: refresh auth->authorizer_buf{,_len} after authorizer update (CVE-2026-68156)

* kernel: Linux kernel (libceph): Denial of Service due to malformed monitor maps (CVE-2026-68155)

* kernel: ipvs: reload ip header after head reallocation (CVE-2026-68476)

* kernel: ipvs: clear IPv4 options after rebasing tunnel ICMP errors (CVE-2026-74669)

* kernel: ALSA: usx2y: bound the hwdep mmap fault offset (CVE-2026-74641)

* kernel: ipvs: do not propagate one-packet flag to synced conns (CVE-2026-80714)

* kernel: nvme-tcp: fix host memory disclosure on R2T for a read command (CVE-2026-89481)

* kernel: ipv4: free inet_opt and ireq_opt after an RCU grace period (CVE-2026-98432)

* kernel: ZDI-CAN-33367: Linux Kernel skbuff skb_zerocopy Improper Ownership Management Local Privilege Escalation Vulnerability ()

Bug Fix(es) and Enhancement(s):

* Critical Bug Fixes for customer issues with lpfc [rhel-8.6.z] (JIRA:RHEL-286150)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux 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.

Plugin Details

Severity: Critical

ID: 375767

File Name: redhat-RHSA-2026-94996.nasl

Version: 1.1

Type: Local

Agent: unix

Family: Red Hat Local Security Checks

Published: 11/4/2026

Updated: 11/4/2026

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Risk Information

VPR

Risk Factor: High

Score: 8.9

Percentile: 99.72

Vendor

Vendor Severity: Critical

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.8

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

CVSS Score Source: CVE-2026-98432

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.8

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:P/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:redhat:enterprise_linux:8, cpe:/o:redhat:rhel_aus:8.6, p-cpe:/a:redhat:enterprise_linux:bpftool, p-cpe:/a:redhat:enterprise_linux:kernel-core, p-cpe:/a:redhat:enterprise_linux:kernel-debug-core, p-cpe:/a:redhat:enterprise_linux:kernel-debug-devel, p-cpe:/a:redhat:enterprise_linux:kernel-debug-modules-extra, p-cpe:/a:redhat:enterprise_linux:kernel-debug-modules, p-cpe:/a:redhat:enterprise_linux:kernel-debug, p-cpe:/a:redhat:enterprise_linux:kernel-devel, p-cpe:/a:redhat:enterprise_linux:kernel-modules-extra, p-cpe:/a:redhat:enterprise_linux:kernel-modules, p-cpe:/a:redhat:enterprise_linux:kernel-tools-libs, p-cpe:/a:redhat:enterprise_linux:kernel-tools, p-cpe:/a:redhat:enterprise_linux:kernel, p-cpe:/a:redhat:enterprise_linux:perf, p-cpe:/a:redhat:enterprise_linux:python3-perf

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 11/4/2026

Vulnerability Publication Date: 1/13/2026

Reference Information

CVE: CVE-2025-71066, CVE-2026-46259, CVE-2026-64534, CVE-2026-68155, CVE-2026-68156, CVE-2026-68159, CVE-2026-68476, CVE-2026-74641, CVE-2026-74669, CVE-2026-80714, CVE-2026-89481, CVE-2026-98432

CWE: 201, 416, 617, 787, 820, 825, 911

RHSA: 2026:94996

Detections

Analytics