{"id":"CVE-2021-3559","aliases":["EUVD-2021-26870","GHSA-4236-36gg-25m7","UBUNTU-CVE-2021-3559"],"status":"published","title":"A flaw was found in libvirt in the virConnectListAllNodeDevices API in versions before 7.0.0. It...","description":"A flaw was found in libvirt in the virConnectListAllNodeDevices API in versions before 7.0.0. It only affects hosts with a PCI device and driver that supports mediated devices (e.g., GRID driver). This flaw could be used by an unprivileged client with a read-only connection to crash the libvirt daemon by executing the 'nodedev-list' virsh command. The highest threat from this vulnerability is to system availability.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.01033,"percentile":0.64011,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-119"],"published":"2021-05-24T11:55:02Z","modified":"2026-10-24T10:30:43Z","products":[{"vendor":"netapp","product":"ontap_select_deploy_administration_utility"},{"vendor":"redhat","product":"libvirt"},{"vendor":"ubuntu","product":"libvirt"}],"references":[{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1962306","tags":["x_refsource_MISC","x_transferred","Issue Tracking","Patch","Vendor Advisory","fix","report"]},{"url":"https://security.netapp.com/advisory/ntap-20210706-0006/","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-3559"},{"url":"https://github.com/advisories/GHSA-4236-36gg-25m7"},{"url":"https://ubuntu.com/security/CVE-2021-3559","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2021-3559","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2021-3559","description":"A flaw was found in libvirt in the virConnectListAllNodeDevices API in versions before 7.0.0. It only affects hosts with a PCI device and driver that supports mediated devices (e.g., GRID driver). This flaw could be used by an unprivileged client with a read-only connection to crash the libvirt daemon by executing the 'nodedev-list' virsh command. The highest threat from this vulnerability is to system availability.","status":"published","published":"2021-05-24T11:55:02Z","modified":"2024-08-03T17:01:07.894Z","cwes":["CWE-119"],"updated_at":"2026-11-02T14:33:03.671751Z"}],"euvd":[{"id":"EUVD-2021-26870","description":"A flaw was found in libvirt in the virConnectListAllNodeDevices API in versions before 7.0.0. It only affects hosts with a PCI device and driver that supports mediated devices (e.g., GRID driver). This flaw could be used by an unprivileged client with a read-only connection to crash the libvirt daemon by executing the 'nodedev-list' virsh command. The highest threat from this vulnerability is to system availability.","status":"published","published":"2021-05-24T11:55:02Z","modified":"2024-08-03T17:01:07Z","updated_at":"2026-11-03T03:25:12.535968Z"}],"ghsa":[{"id":"GHSA-4236-36gg-25m7","title":"A flaw was found in libvirt in the virConnectListAllNodeDevices API in versions before 7.0.0. It...","description":"A flaw was found in libvirt in the virConnectListAllNodeDevices API in versions before 7.0.0. It only affects hosts with a PCI device and driver that supports mediated devices (e.g., GRID driver). This flaw could be used by an unprivileged client with a read-only connection to crash the libvirt daemon by executing the 'nodedev-list' virsh command. The highest threat from this vulnerability is to system availability.","status":"published","published":"2022-05-24T19:03:06Z","modified":"2023-01-29T05:06:46Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:46:05.929333Z"}],"nvd":[{"id":"CVE-2021-3559","description":"A flaw was found in libvirt in the virConnectListAllNodeDevices API in versions before 7.0.0. It only affects hosts with a PCI device and driver that supports mediated devices (e.g., GRID driver). This flaw could be used by an unprivileged client with a read-only connection to crash the libvirt daemon by executing the 'nodedev-list' virsh command. The highest threat from this vulnerability is to system availability.","status":"published","published":"2021-05-24T12:15:07.677Z","modified":"2026-06-17T04:05:20.667Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":4,"vector":"AV:N/AC:L/Au:S/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:06:53.987491Z"}],"osv":[{"id":"CVE-2021-3559","description":"A flaw was found in libvirt in the virConnectListAllNodeDevices API in versions before 7.0.0. It only affects hosts with a PCI device and driver that supports mediated devices (e.g., GRID driver). This flaw could be used by an unprivileged client with a read-only connection to crash the libvirt daemon by executing the 'nodedev-list' virsh command. The highest threat from this vulnerability is to system availability.","status":"published","published":"2021-05-24T12:15:07.677Z","modified":"2026-10-24T10:30:43.498429939Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:44:20.13324Z"},{"id":"UBUNTU-CVE-2021-3559","description":"A flaw was found in libvirt in the virConnectListAllNodeDevices API in versions before 7.0.0. It only affects hosts with a PCI device and driver that supports mediated devices (e.g., GRID driver). This flaw could be used by an unprivileged client with a read-only connection to crash the libvirt daemon by executing the 'nodedev-list' virsh command. The highest threat from this vulnerability is to system availability.","status":"withdrawn","published":"2021-05-24T12:15:00Z","modified":"2025-07-16T08:15:45.339549Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:54:27.870979Z"}]}}