RHEL 10 : qemu-kvm (RHSA-2026:18479)

high Nessus Plugin ID 315380

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Synopsis

The remote Red Hat host is missing one or more security updates for qemu-kvm.

Description

The remote Redhat Enterprise Linux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:18479 advisory.

Kernel-based Virtual Machine (KVM) is a full virtualization solution for Linux on a variety of architectures. The qemu-kvm packages provide the user-space component for running virtual machines that use KVM.

Security Fix(es):

* firefox: thunderbird: CSP Bypass and XSS Exposure via Web Compatibility Shims (CVE-2024-11694)

* firefox: thunderbird: Unhandled Exception in Add-on Signature Verification (CVE-2024-11696)

* firefox: thunderbird: Select list elements could be shown over another site (CVE-2024-11692)

* firefox: thunderbird: Memory safety bugs fixed in Firefox 133, Thunderbird 133, Firefox ESR 128.5, and Thunderbird 128.5 (CVE-2024-11699)

* firefox: thunderbird: URL Bar Spoofing via Manipulated Punycode and Whitespace Characters (CVE-2024-11695)

* firefox: thunderbird: Improper Keypress Handling in Executable File Confirmation Dialog (CVE-2024-11697)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Additional Changes:

For detailed information on changes in this release, see the Red Hat Enterprise Linux 10 Release Notes linked from the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux 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 RHEL qemu-kvm package based on the guidance in RHSA-2026:18479.

Plugin Details

Severity: High

ID: 315380

File Name: redhat-RHSA-2026-18479.nasl

Version: 1.1

Type: Local

Agent: unix

Family: Red Hat Local Security Checks

Published: 5/19/2026

Updated: 5/19/2026

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

Vendor

Vendor Severity: Important

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.4

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

CVSS Score Source: CVE-2024-11699

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.7

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

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

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:qemu-guest-agent, p-cpe:/a:redhat:enterprise_linux:qemu-img, p-cpe:/a:redhat:enterprise_linux:qemu-kvm, p-cpe:/a:redhat:enterprise_linux:qemu-kvm-tools, p-cpe:/a:redhat:enterprise_linux:qemu-kvm-common, p-cpe:/a:redhat:enterprise_linux:qemu-kvm-block-curl, p-cpe:/a:redhat:enterprise_linux:qemu-kvm-block-rbd, p-cpe:/a:redhat:enterprise_linux:qemu-kvm-core, p-cpe:/a:redhat:enterprise_linux:qemu-kvm-docs, p-cpe:/a:redhat:enterprise_linux:qemu-kvm-ui-opengl, p-cpe:/a:redhat:enterprise_linux:qemu-kvm-audio-pa, p-cpe:/a:redhat:enterprise_linux:qemu-kvm-device-display-virtio-gpu, p-cpe:/a:redhat:enterprise_linux:qemu-kvm-device-display-virtio-gpu-ccw, p-cpe:/a:redhat:enterprise_linux:qemu-kvm-device-display-virtio-gpu-pci, p-cpe:/a:redhat:enterprise_linux:qemu-kvm-device-display-virtio-vga, p-cpe:/a:redhat:enterprise_linux:qemu-kvm-device-usb-host, p-cpe:/a:redhat:enterprise_linux:qemu-kvm-device-usb-redirect, p-cpe:/a:redhat:enterprise_linux:qemu-kvm-ui-egl-headless, p-cpe:/a:redhat:enterprise_linux:qemu-pr-helper, p-cpe:/a:redhat:enterprise_linux:qemu-kvm-block-blkio, cpe:/o:redhat:enterprise_linux:10.2

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

Exploit Ease: No known exploits are available

Patch Publication Date: 5/19/2026

Vulnerability Publication Date: 11/25/2024

Reference Information

CVE: CVE-2024-11692, CVE-2024-11694, CVE-2024-11695, CVE-2024-11696, CVE-2024-11697, CVE-2024-11699

CWE: 120, 354, 356, 451, 79

RHSA: 2026:18479

Detections

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