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RockyLinux 9 : qemu-kvm (RLSA-2026:88421)
high Nessus Plugin ID 371134
Synopsis
The remote RockyLinux host is missing a security update.Description
The remote RockyLinux 9 host has packages installed that are affected by a vulnerability as referenced in the RLSA-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 RockyLinux 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.See Also
Plugin Details
Severity: High
ID: 371134
File Name: rocky_linux_RLSA-2026-88421.nasl
Version: 1.1
Type: Local
Published: 10/23/2026
Updated: 10/23/2026
Supported Sensors: Nessus Agent, Continuous Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 4.9
Percentile: 58.52
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
CPE: cpe:/o:rocky:linux:9, p-cpe:/a:rocky:linux:qemu-guest-agent-debuginfo, p-cpe:/a:rocky:linux:qemu-guest-agent, p-cpe:/a:rocky:linux:qemu-img-debuginfo, p-cpe:/a:rocky:linux:qemu-img, p-cpe:/a:rocky:linux:qemu-kvm-audio-pa-debuginfo, p-cpe:/a:rocky:linux:qemu-kvm-audio-pa, p-cpe:/a:rocky:linux:qemu-kvm-block-blkio-debuginfo, p-cpe:/a:rocky:linux:qemu-kvm-block-blkio, p-cpe:/a:rocky:linux:qemu-kvm-block-curl-debuginfo, p-cpe:/a:rocky:linux:qemu-kvm-block-curl, p-cpe:/a:rocky:linux:qemu-kvm-block-rbd-debuginfo, p-cpe:/a:rocky:linux:qemu-kvm-block-rbd, p-cpe:/a:rocky:linux:qemu-kvm-common-debuginfo, p-cpe:/a:rocky:linux:qemu-kvm-common, p-cpe:/a:rocky:linux:qemu-kvm-core-debuginfo, p-cpe:/a:rocky:linux:qemu-kvm-core, p-cpe:/a:rocky:linux:qemu-kvm-debuginfo, p-cpe:/a:rocky:linux:qemu-kvm-debugsource, p-cpe:/a:rocky:linux:qemu-kvm-device-display-virtio-gpu-ccw-debuginfo, p-cpe:/a:rocky:linux:qemu-kvm-device-display-virtio-gpu-ccw, p-cpe:/a:rocky:linux:qemu-kvm-device-display-virtio-gpu-debuginfo, p-cpe:/a:rocky:linux:qemu-kvm-device-display-virtio-gpu-pci-debuginfo, p-cpe:/a:rocky:linux:qemu-kvm-device-display-virtio-gpu-pci, p-cpe:/a:rocky:linux:qemu-kvm-device-display-virtio-gpu, p-cpe:/a:rocky:linux:qemu-kvm-device-display-virtio-vga-debuginfo, p-cpe:/a:rocky:linux:qemu-kvm-device-display-virtio-vga, p-cpe:/a:rocky:linux:qemu-kvm-device-usb-host-debuginfo, p-cpe:/a:rocky:linux:qemu-kvm-device-usb-host, p-cpe:/a:rocky:linux:qemu-kvm-device-usb-redirect-debuginfo, p-cpe:/a:rocky:linux:qemu-kvm-device-usb-redirect, p-cpe:/a:rocky:linux:qemu-kvm-docs, p-cpe:/a:rocky:linux:qemu-kvm-tools-debuginfo, p-cpe:/a:rocky:linux:qemu-kvm-tools, p-cpe:/a:rocky:linux:qemu-kvm-ui-egl-headless-debuginfo, p-cpe:/a:rocky:linux:qemu-kvm-ui-egl-headless, p-cpe:/a:rocky:linux:qemu-kvm-ui-opengl-debuginfo, p-cpe:/a:rocky:linux:qemu-kvm-ui-opengl, p-cpe:/a:rocky:linux:qemu-kvm, p-cpe:/a:rocky:linux:qemu-pr-helper-debuginfo, p-cpe:/a:rocky:linux:qemu-pr-helper
Required KB Items: Host/local_checks_enabled, Host/cpu, Host/RockyLinux/release, Host/RockyLinux/rpm-list
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