RockyLinux 8 : kernel-rt (RLSA-2026:98100)

critical Nessus Plugin ID 379583

Synopsis

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

Description

The remote RockyLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:98100 advisory.

* kernel: Revert net/smc: Introduce TCP ULP support (CVE-2026-46330)

* kernel: Linux kernel: PPP over L2TP Use-After-Free vulnerability (CVE-2026-68398)

* kernel: openvswitch: fix GSO userspace truncation underflow (CVE-2026-68123)

* kernel: Bluetooth: mgmt: fix UAF in pair command cancellation (CVE-2026-74510)

* kernel: net: bridge: mcast: fix use-after-free of a master VLAN's multicast context (CVE-2026-80842)

* kernel: ALSA: seq: midi: Serialize input teardown with event_input (CVE-2026-90207)

* kernel: ALSA: pcm: Serialize PCM mmap with buffer reallocation to fix page UAF (CVE-2026-98116)

* kernel: s390/boot: Avoid IPL parameter append past command line (CVE-2026-98403)

* kernel: kernel: Denial of Service via unvalidated task in iSCSI management responses (CVE-2026-99152)

* kernel: kernel: Denial of service via unvalidated task tag in iSCSI Reject PDU (CVE-2026-99153)

Tenable has extracted the preceding description block directly from the RockyLinux 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://bugzilla.redhat.com/show_bug.cgi?id=2486999

https://bugzilla.redhat.com/show_bug.cgi?id=2513188

https://bugzilla.redhat.com/show_bug.cgi?id=2513451

https://bugzilla.redhat.com/show_bug.cgi?id=2516970

https://bugzilla.redhat.com/show_bug.cgi?id=2528639

https://bugzilla.redhat.com/show_bug.cgi?id=2536701

https://bugzilla.redhat.com/show_bug.cgi?id=2541360

https://bugzilla.redhat.com/show_bug.cgi?id=2552209

https://bugzilla.redhat.com/show_bug.cgi?id=2562697

https://bugzilla.redhat.com/show_bug.cgi?id=2562706

https://errata.rockylinux.org/RLSA-2026:98100

Plugin Details

Severity: Critical

ID: 379583

File Name: rocky_linux_RLSA-2026-98100.nasl

Version: 1.1

Type: Local

Published: 11/12/2026

Updated: 11/12/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: High

Score: 7.6

Percentile: 98.3

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-2026-99153

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:rocky:linux:8, p-cpe:/a:rocky:linux:kernel-rt-core, p-cpe:/a:rocky:linux:kernel-rt-debug-core, p-cpe:/a:rocky:linux:kernel-rt-debug-debuginfo, p-cpe:/a:rocky:linux:kernel-rt-debug-devel, p-cpe:/a:rocky:linux:kernel-rt-debug-kvm, p-cpe:/a:rocky:linux:kernel-rt-debug-modules-extra, p-cpe:/a:rocky:linux:kernel-rt-debug-modules, p-cpe:/a:rocky:linux:kernel-rt-debug, p-cpe:/a:rocky:linux:kernel-rt-debuginfo-common-x86_64, p-cpe:/a:rocky:linux:kernel-rt-debuginfo, p-cpe:/a:rocky:linux:kernel-rt-devel, p-cpe:/a:rocky:linux:kernel-rt-kvm, p-cpe:/a:rocky:linux:kernel-rt-modules-extra, p-cpe:/a:rocky:linux:kernel-rt-modules, p-cpe:/a:rocky:linux:kernel-rt

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 11/12/2026

Vulnerability Publication Date: 6/9/2026

Reference Information

CVE: CVE-2026-46330, CVE-2026-68123, CVE-2026-68398, CVE-2026-74510, CVE-2026-80842, CVE-2026-90207, CVE-2026-98116, CVE-2026-98403, CVE-2026-99152, CVE-2026-99153