Rocky Linux 8 [CIQ] Security Update: kernel-rt / kernel-rt-core / kernel-rt-debug / kernel-rt-debug-core / etc Multiple Vulnerabilities (crlsa-2026_45116)

high Nessus Plugin ID 357888

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_45116 advisory.

* kernel: KVM: x86: Don't (re)check L1 intercepts when completing userspace I/O (CVE-2025-40026)

* kernel: xfrm single-frag length not properly limited

* kernel: dm log: fix out-of-bounds write due to region_count overflow (CVE-2026-53059)

* kernel: tipc: fix double-free in tipc_buf_append() (CVE-2026-52993)

This advisory is provided by Ctrl IQ, Inc for Rocky Linux systems. For more information about CIQ security practices, visit https://ciq.com/security.

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_45116.

See Also

https://access.redhat.com/errata/RHSA-2026:45116

https://bugzilla.redhat.com/show_bug.cgi?id=2406712

https://bugzilla.redhat.com/show_bug.cgi?id=2492277

https://bugzilla.redhat.com/show_bug.cgi?id=2492437

https://bugzilla.redhat.com/show_bug.cgi?id=2510891

https://errata.build.resf.org/RLSA-2026:45116

http://www.nessus.org/u?1962cce2

http://www.nessus.org/u?6f18b1a6

Plugin Details

Severity: High

ID: 357888

File Name: ciq_rocky_linux_8_crlsa-2026_45116.nasl

Version: 1.1

Type: Local

Published: 10/1/2026

Updated: 10/1/2026

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

Risk Information

VPR

Risk Factor: High

Score: 8

Percentile: 99.68

Vendor

Vendor Severity: Unknown

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-2026-53059

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

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 7/27/2026

Vulnerability Publication Date: 10/23/2025

Reference Information

CVE: CVE-2025-40026, CVE-2026-52993, CVE-2026-53059, CVE-2026-64561