Rocky Linux 9 [CIQ] Security Update: libvirt / libvirt-client / libvirt-client-debuginfo / etc Multiple Vulnerabilities (crlsa-2026_74424)

high Nessus Plugin ID 362905

Synopsis

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

Description

The Rocky Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-2026_74424 advisory.

* libvirt: swtpm privilege escalation via symlink following (CVE-2026-63622)

* libvirt: Integer overflow in NodeGetFreePages RPC handler leading to heap buffer overflow (CVE-2026-18917)

Bug Fix(es) and Enhancement(s):

* Live migration fails when virtio-vga becomes available, video device switches from virtio-gpu-pci to virtio-vga on target [rhel-9.8.z] (JIRA:Rocky Linux-186018)

* libvirt-guests does not work together with virtlockd on shutdown [rhel-9.8.z] (JIRA:Rocky Linux-224986)

* Expose guest-get-devices in libvirt-api [rhel-9.8.z] (JIRA:Rocky Linux-243306)

* allow hyperv pvpanic device to process Windows crash dump [rhel-9.8.z] (JIRA:Rocky Linux-242549)

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_74424.

Plugin Details

Severity: High

ID: 362905

File Name: ciq_rocky_linux_9_crlsa-2026_74424.nasl

Version: 1.1

Type: Local

Family: Rocky Linux Local Security Checks

Published: 10/4/2026

Updated: 10/4/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 58.19

Vendor

Vendor Severity: Unknown

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

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

CVSS Score Source: CVE-2026-63622

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.8

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:U/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 Ease: No known exploits are available

Patch Publication Date: 10/3/2026

Vulnerability Publication Date: 8/10/2026

Reference Information

CVE: CVE-2026-18917, CVE-2026-63622

Detections

Analytics