Rocky Linux 9 [CIQ] Security Update: qemu-guest-agent / qemu-guest-agent-debuginfo / qemu-img / etc (crlsa-2026_88421)

high Nessus Plugin ID 371680

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 a vulnerability as referenced in the CIQ crlsa-2026_88421 advisory.

* qemu-kvm: qemu-guest-agent: Local privilege escalation via symlink attack in guest-ssh-add-authorized- keys (CVE-2026-12080)

Bug Fix(es) and Enhancement(s):

* qemu-img can't create a qcow2 overlay with 'data_file' feature on top of a file without destroying the original image [rhel-9.8.z] (JIRA:Rocky Linux-164549)

* live migration of a VM with a scsi3pr to a node that previously held a reservation on that disk fails.
[rhel-9.8.z] (JIRA:Rocky Linux-280223)

* Fix pending QEMU issues for L1VH GA - QEMU [rhel-9.8.z] (JIRA:Rocky Linux-283121)

Tenable has extracted the preceding description block directly from the CIQ security advisory.

Note that Nessus has not tested for this issue 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_88421.

See Also

https://access.redhat.com/errata/RHSA-2026:88421

https://bugzilla.redhat.com/show_bug.cgi?id=2499603

https://errata.build.resf.org/RLSA-2026:88421

http://www.nessus.org/u?1a5e886d

http://www.nessus.org/u?278aebc5

Plugin Details

Severity: High

ID: 371680

File Name: ciq_rocky_linux_9_crlsa-2026_88421.nasl

Version: 1.1

Type: Local

Published: 10/24/2026

Updated: 10/24/2026

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 58.52

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-2026-12080

CVSS v3

Risk Factor: High

Base Score: 7.3

Temporal Score: 6.4

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:R/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/OS/extended-third-party, Host/local_checks_enabled, Host/RockyLinux/release, Host/RockyLinux/rpm-list, Host/cpu

Exploit Ease: No known exploits are available

Patch Publication Date: 10/23/2026

Vulnerability Publication Date: 7/20/2026

Reference Information

CVE: CVE-2026-12080