{"schema_version": "1.7.0", "id": "RLSA-2026:5578", "modified": "2026-03-24T12:09:37.485671Z", "published": "2026-03-24T12:01:12.163837Z", "upstream": ["CVE-2025-11234"], "summary": "Moderate: virt:rhel and virt-devel:rhel security update", "details": "Kernel-based Virtual Machine (KVM) offers a full virtualization solution forLinux on numerous hardware platforms. The virt:rhel module contains packageswhich provide user-space components used to run virtual machines using KVM.The packages also provide APIs for managing and interacting with the virtualized systems.\n\nSecurity Fix(es):\n\n* qemu-kvm: VNC WebSocket handshake use-after-free (CVE-2025-11234)\n\nFor 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.", "severity": [{"type": "CVSS_V3", "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}], "affected": [{"package": {"ecosystem": "Rocky Linux:8", "name": "hivex", "purl": "pkg:rpm/rocky-linux/hivex?distro=rocky-linux-8&epoch=0"}, "ranges": [{"type": "ECOSYSTEM", "events": [{"introduced": "0"}, {"fixed": "0:1.3.18-23.module+el8.10.0+1835+43f01cbb"}], "database_specific": {"yum_repository": "AppStream"}}]}, {"package": {"ecosystem": "Rocky Linux:8", "name": "hivex", "purl": "pkg:rpm/rocky-linux/hivex?distro=rocky-linux-8&epoch=0"}, "ranges": [{"type": "ECOSYSTEM", "events": [{"introduced": "0"}, {"fixed": "0:1.3.18-23.module+el8.10.0+1590+a67ab969"}], "database_specific": {"yum_repository": "AppStream"}}]}, {"package": {"ecosystem": "Rocky Linux:8", "name": "libguestfs", "purl": "pkg:rpm/rocky-linux/libguestfs?distro=rocky-linux-8&epoch=1"}, "ranges": [{"type": "ECOSYSTEM", "events": [{"introduced": "0"}, {"fixed": "1:1.44.0-9.module+el8.10.0+1590+a67ab969.rocky"}], "database_specific": {"yum_repository": "AppStream"}}]}, {"package": {"ecosystem": "Rocky Linux:8", "name": "libguestfs", "purl": "pkg:rpm/rocky-linux/libguestfs?distro=rocky-linux-8&epoch=1"}, "ranges": [{"type": "ECOSYSTEM", "events": [{"introduced": "0"}, {"fixed": "1:1.44.0-9.module+el8.10.0+1835+43f01cbb.rocky.rocky"}], "database_specific": {"yum_repository": "AppStream"}}]}, {"package": {"ecosystem": "Rocky Linux:8", "name": "libguestfs-winsupport", "purl": "pkg:rpm/rocky-linux/libguestfs-winsupport?distro=rocky-linux-8&epoch=0"}, "ranges": [{"type": "ECOSYSTEM", "events": [{"introduced": "0"}, {"fixed": "0:8.10-1.module+el8.10.0+1835+43f01cbb"}], "database_specific": {"yum_repository": "AppStream"}}]}, {"package": {"ecosystem": "Rocky Linux:8", "name": "libguestfs-winsupport", "purl": "pkg:rpm/rocky-linux/libguestfs-winsupport?distro=rocky-linux-8&epoch=0"}, "ranges": [{"type": "ECOSYSTEM", "events": [{"introduced": "0"}, {"fixed": "0:8.10-1.module+el8.10.0+1451+358d0d76"}], "database_specific": {"yum_repository": "AppStream"}}]}, {"package": {"ecosystem": "Rocky Linux:8", "name": "libiscsi", "purl": "pkg:rpm/rocky-linux/libiscsi?distro=rocky-linux-8&epoch=0"}, "ranges": [{"type": "ECOSYSTEM", "events": [{"introduced": "0"}, {"fixed": "0:1.18.0-8.module+el8.10.0+1590+a67ab969"}], "database_specific": {"yum_repository": "AppStream"}}]}, {"package": {"ecosystem": "Rocky Linux:8", "name": "libiscsi", "purl": "pkg:rpm/rocky-linux/libiscsi?distro=rocky-linux-8&epoch=0"}, "ranges": [{"type": "ECOSYSTEM", "events": [{"introduced": "0"}, {"fixed": "0:1.18.0-8.module+el8.10.0+1835+43f01cbb"}], "database_specific": {"yum_repository": "AppStream"}}]}, {"package": {"ecosystem": "Rocky Linux:8", "name": "libnbd", "purl": "pkg:rpm/rocky-linux/libnbd?distro=rocky-linux-8&epoch=0"}, "ranges": [{"type": "ECOSYSTEM", "events": [{"introduced": "0"}, {"fixed": "0:1.6.0-6.module+el8.10.0+1870+0a714c9f"}], "database_specific": {"yum_repository": "AppStream"}}]}, {"package": {"ecosystem": "Rocky Linux:8", "name": "libtpms", "purl": "pkg:rpm/rocky-linux/libtpms?distro=rocky-linux-8&epoch=0"}, "ranges": [{"type": "ECOSYSTEM", "events": [{"introduced": "0"}, {"fixed": "0:0.9.1-3.20211126git1ff6fe1f43.module+el8.10.0+2014+5ad6bca0"}], "database_specific": {"yum_repository": "AppStream"}}]}, {"package": {"ecosystem": "Rocky Linux:8", "name": "libvirt", "purl": 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"pkg:rpm/rocky-linux/libvirt-python?distro=rocky-linux-8&epoch=0"}, "ranges": [{"type": "ECOSYSTEM", "events": [{"introduced": "0"}, {"fixed": "0:8.0.0-2.module+el8.10.0+1835+43f01cbb"}], "database_specific": {"yum_repository": "AppStream"}}]}, {"package": {"ecosystem": "Rocky Linux:8", "name": "libvirt-python", "purl": "pkg:rpm/rocky-linux/libvirt-python?distro=rocky-linux-8&epoch=0"}, "ranges": [{"type": "ECOSYSTEM", "events": [{"introduced": "0"}, {"fixed": "0:8.0.0-2.module+el8.10.0+1590+a67ab969"}], "database_specific": {"yum_repository": "AppStream"}}]}, {"package": {"ecosystem": "Rocky Linux:8", "name": "nbdkit", "purl": "pkg:rpm/rocky-linux/nbdkit?distro=rocky-linux-8&epoch=0"}, "ranges": [{"type": "ECOSYSTEM", "events": [{"introduced": "0"}, {"fixed": "0:1.24.0-5.module+el8.10.0+1590+a67ab969"}], "database_specific": {"yum_repository": "AppStream"}}]}, {"package": {"ecosystem": "Rocky Linux:8", "name": "nbdkit", "purl": 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{"fixed": "5:6.2.0-53.module+el8.10.0+2055+8eb7870b.4"}], "database_specific": {"yum_repository": "AppStream"}}]}, {"package": {"ecosystem": "Rocky Linux:8", "name": "qemu-kvm", "purl": "pkg:rpm/rocky-linux/qemu-kvm?distro=rocky-linux-8&epoch=5"}, "ranges": [{"type": "ECOSYSTEM", "events": [{"introduced": "0"}, {"fixed": "5:6.2.0-53.module+el8.10.0+1882+0c885e98.2"}], "database_specific": {"yum_repository": "AppStream"}}]}, {"package": {"ecosystem": "Rocky Linux:8", "name": "qemu-kvm", "purl": "pkg:rpm/rocky-linux/qemu-kvm?distro=rocky-linux-8&epoch=5"}, "ranges": [{"type": "ECOSYSTEM", "events": [{"introduced": "0"}, {"fixed": "5:6.2.0-53.module+el8.10.0+40076+c1171059.6"}], "database_specific": {"yum_repository": "AppStream"}}]}, {"package": {"ecosystem": "Rocky Linux:8", "name": "seabios", "purl": "pkg:rpm/rocky-linux/seabios?distro=rocky-linux-8&epoch=0"}, "ranges": [{"type": "ECOSYSTEM", "events": [{"introduced": "0"}, {"fixed": "0:1.16.0-4.module+el8.9.0+1408+7b966129"}], "database_specific": {"yum_repository": "AppStream"}}]}, {"package": {"ecosystem": "Rocky Linux:8", "name": "sgabios", "purl": "pkg:rpm/rocky-linux/sgabios?distro=rocky-linux-8&epoch=1"}, "ranges": [{"type": "ECOSYSTEM", "events": [{"introduced": "0"}, {"fixed": "1:0.20170427git-3.module+el8.10.0+1590+a67ab969"}], "database_specific": {"yum_repository": "AppStream"}}]}, {"package": {"ecosystem": "Rocky Linux:8", "name": "sgabios", "purl": "pkg:rpm/rocky-linux/sgabios?distro=rocky-linux-8&epoch=1"}, "ranges": [{"type": "ECOSYSTEM", "events": [{"introduced": "0"}, {"fixed": "1:0.20170427git-3.module+el8.10.0+1835+43f01cbb"}], "database_specific": {"yum_repository": "AppStream"}}]}, {"package": {"ecosystem": "Rocky Linux:8", "name": "supermin", "purl": "pkg:rpm/rocky-linux/supermin?distro=rocky-linux-8&epoch=0"}, "ranges": [{"type": "ECOSYSTEM", "events": [{"introduced": "0"}, {"fixed": "0:5.2.1-2.module+el8.10.0+1835+43f01cbb"}], "database_specific": {"yum_repository": "AppStream"}}]}, {"package": {"ecosystem": "Rocky Linux:8", "name": "supermin", "purl": "pkg:rpm/rocky-linux/supermin?distro=rocky-linux-8&epoch=0"}, "ranges": [{"type": "ECOSYSTEM", "events": [{"introduced": "0"}, {"fixed": "0:5.2.1-2.module+el8.10.0+1590+a67ab969"}], "database_specific": {"yum_repository": "AppStream"}}]}, {"package": {"ecosystem": "Rocky Linux:8", "name": "swtpm", "purl": "pkg:rpm/rocky-linux/swtpm?distro=rocky-linux-8&epoch=0"}, "ranges": [{"type": "ECOSYSTEM", "events": [{"introduced": "0"}, {"fixed": "0:0.7.0-4.20211109gitb79fd91.module+el8.10.0+1835+43f01cbb"}], "database_specific": {"yum_repository": "AppStream"}}]}, {"package": {"ecosystem": "Rocky Linux:8", "name": "swtpm", "purl": "pkg:rpm/rocky-linux/swtpm?distro=rocky-linux-8&epoch=0"}, "ranges": [{"type": "ECOSYSTEM", "events": [{"introduced": "0"}, {"fixed": "0:0.7.0-4.20211109gitb79fd91.module+el8.10.0+1590+a67ab969"}], "database_specific": {"yum_repository": "AppStream"}}]}, {"package": {"ecosystem": "Rocky Linux:8", "name": "virt-v2v", "purl": "pkg:rpm/rocky-linux/virt-v2v?distro=rocky-linux-8&epoch=1"}, "ranges": [{"type": "ECOSYSTEM", "events": [{"introduced": "0"}, {"fixed": "1:1.42.0-22.module+el8.10.0+1835+43f01cbb"}], "database_specific": {"yum_repository": "AppStream"}}]}, {"package": {"ecosystem": "Rocky Linux:8", "name": "virt-v2v", "purl": "pkg:rpm/rocky-linux/virt-v2v?distro=rocky-linux-8&epoch=1"}, "ranges": [{"type": "ECOSYSTEM", "events": [{"introduced": "0"}, {"fixed": "1:1.42.0-22.module+el8.10.0+1590+a67ab969"}], "database_specific": {"yum_repository": "AppStream"}}]}], "references": [{"type": "ADVISORY", "url": "https://errata.rockylinux.org/RLSA-2026:5578"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2401209"}], "credits": [{"name": "Rocky Enterprise Software Foundation"}, {"name": "Red Hat"}]}