Rocky Linux 8 [CIQ] Security Update: kernel-rt / kernel-rt-core / kernel-rt-debug / kernel-rt-debug-core / etc Multiple Vulnerabilities (crlsa-2026_39180)

medium Nessus Plugin ID 359049

Synopsis

The Rocky Linux host is missing one or more security updates.

Description

The Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-2026_39180 advisory.

* kernel: net: bridge: use a stable FDB dst snapshot in RCU readers (CVE-2026-46086)

* kernel: xfrm: defensively unhash xfrm_state lists in __xfrm_state_delete (CVE-2026-46116)

* kernel: XFS data corruption using reflink ()

Tenable has extracted the preceding description block directly from the CIQ 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 based on the guidance in CIQ advisory crlsa-2026_39180.

See Also

https://access.redhat.com/errata/RHSA-2026:39180

https://bugzilla.redhat.com/show_bug.cgi?id=2481989

https://bugzilla.redhat.com/show_bug.cgi?id=2482523

https://bugzilla.redhat.com/show_bug.cgi?id=2498915

https://errata.build.resf.org/RLSA-2026:39180

http://www.nessus.org/u?d8f98732

http://www.nessus.org/u?f029868b

Plugin Details

Severity: Medium

ID: 359049

File Name: ciq_rocky_linux_8_crlsa-2026_39180.nasl

Version: 1.1

Type: Local

Published: 10/1/2026

Updated: 10/1/2026

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

Risk Information

VPR

Risk Factor: High

Score: 7.9

Percentile: 99.36

Vendor

Vendor Severity: Unknown

CVSS v2

Risk Factor: Medium

Base Score: 4.6

Temporal Score: 3.6

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

CVSS Score Source: CVE-2026-46086

CVSS v3

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 5

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

Required KB Items: Host/OS/extended-third-party, Host/local_checks_enabled, Host/RockyLinux/release, Host/RockyLinux/rpm-list, Host/cpu

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 7/15/2026

Vulnerability Publication Date: 5/26/2026

Reference Information

CVE: CVE-2026-46086, CVE-2026-46116, CVE-2026-64600