RLSA-2026:74424

Source
https://errata.rockylinux.org/RLSA-2026:74424
Import Source
https://storage.googleapis.com/resf-osv-data/RLSA-2026:74424.json
JSON Data
https://api.test.osv.dev/v1/vulns/RLSA-2026:74424
Upstream
CVE (2)
  • CVE-2026-18917
  • CVE-2026-63622
Published
2026-10-03T12:04:21Z
Modified
2026-10-03T12:30:02Z
Severity
  • 7.8 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
Important: libvirt security, bug fix, and enhancement update
Details

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.

Database specific
{
    "license": "CC-BY-4.0",
    "license_url": "https://creativecommons.org/licenses/by/4.0/",
    "source_advisory": "RHSA-2026:74424"
}
References
Credits
    • Rocky Enterprise Software Foundation
    • Red Hat

Affected packages

Rocky Linux:9 / libvirt

Package

Name
libvirt
Purl
pkg:rpm/rocky-linux/libvirt?distro=rocky-linux-9&epoch=0

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
0:11.10.0-12.7.el9_8
Database specific
Show details
{
    "yum_repository": "AppStream"
}

Database specific

source
"https://storage.googleapis.com/resf-osv-data/RLSA-2026:74424.json"