The libvirt library contains a C API for managing and interacting with the virtualization capabilities of Linux and other operating systems. In addition, libvirt provides tools for remote management of virtualized systems.
Security Fix(es):
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)
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.
{
"license": "CC-BY-4.0",
"license_url": "https://creativecommons.org/licenses/by/4.0/",
"source_advisory": "RHSA-2026:74424"
}