CVE-2021-4147
Fixed in a distro release EPSS <1%
A flaw was found in the libvirt libxl driver. A malicious guest could continuously reboot itself and cause libvirtd on the host to deadlock or crash, resulting in a denial of service condition.
Products: redhat libvirt, fedoraproject fedora, netapp ontap_select_deploy_administration_utility
Distro releases
| Release | Package | Fixed in |
|---|---|---|
| Debian 10 | libvirt | 5.0.0-4+deb10u2 |
| Debian 12 | libvirt | 7.10.0-2 |
| Debian 13 | libvirt | 7.10.0-2 |
| Debian 14 | libvirt | 7.10.0-2 |
| SUSE Enterprise Storage 6 | libvirt | 5.1.0-17.1 |
| SUSE Enterprise Storage 7 | libvirt | 6.0.0-13.24.1 |
| SUSE HPE Helion OpenStack 8 | libvirt | 3.3.0-5.49.1 |
| SUSE Linux Enterprise High Performance Computing 15 SP1-ESPOS | libvirt | 5.1.0-17.1 |
| SUSE Linux Enterprise High Performance Computing 15 SP1-LTSS | libvirt | 5.1.0-17.1 |
| SUSE Linux Enterprise High Performance Computing 15 SP2-ESPOS | libvirt | 6.0.0-13.24.1 |
| SUSE Linux Enterprise High Performance Computing 15 SP2-LTSS | libvirt | 6.0.0-13.24.1 |
| SUSE Linux Enterprise High Performance Computing 15-ESPOS | libvirt | 4.0.0-9.40.1 |
| SUSE Linux Enterprise High Performance Computing 15-LTSS | libvirt | 4.0.0-9.40.1 |
| SUSE Linux Enterprise Micro 5.0 | libvirt | 6.0.0-13.24.1 |
| SUSE Linux Enterprise Micro 5.1 | libvirt | 7.1.0-6.11.1 |
| SUSE Linux Enterprise Module for Basesystem 15 SP3 | libvirt | 7.1.0-6.11.1 |
| SUSE Linux Enterprise Module for Server Applications 15 SP3 | libvirt | 7.1.0-6.11.1 |
| SUSE Linux Enterprise Real Time 15 SP2 | libvirt | 6.0.0-13.24.1 |
| SUSE Linux Enterprise Server 12 SP3-BCL | libvirt | 3.3.0-5.49.1 |
| SUSE Linux Enterprise Server 12 SP3-LTSS | libvirt | 3.3.0-5.49.1 |
| SUSE Linux Enterprise Server 12 SP4-LTSS | libvirt | 4.0.0-8.26.1 |
| SUSE Linux Enterprise Server 12 SP5 | libvirt | 5.1.0-13.28.2 |
| SUSE Linux Enterprise Server 15 SP1-BCL | libvirt | 5.1.0-17.1 |
| SUSE Linux Enterprise Server 15 SP1-LTSS | libvirt | 5.1.0-17.1 |
| SUSE Linux Enterprise Server 15 SP2-BCL | libvirt | 6.0.0-13.24.1 |
| SUSE Linux Enterprise Server 15 SP2-LTSS | libvirt | 6.0.0-13.24.1 |
| SUSE Linux Enterprise Server 15-LTSS | libvirt | 4.0.0-9.40.1 |
| SUSE Linux Enterprise Server for SAP Applications 12 SP3 | libvirt | 3.3.0-5.49.1 |
| SUSE Linux Enterprise Server for SAP Applications 12 SP4 | libvirt | 4.0.0-8.26.1 |
| SUSE Linux Enterprise Server for SAP Applications 12 SP5 | libvirt | 5.1.0-13.28.2 |
| SUSE Linux Enterprise Server for SAP Applications 15 | libvirt | 4.0.0-9.40.1 |
| SUSE Linux Enterprise Server for SAP Applications 15 SP1 | libvirt | 5.1.0-17.1 |
| SUSE Linux Enterprise Server for SAP Applications 15 SP2 | libvirt | 6.0.0-13.24.1 |
| SUSE Linux Enterprise Software Development Kit 12 SP5 | libvirt | 5.1.0-13.28.2 |
| SUSE Manager Proxy 4.1 | libvirt | 6.0.0-13.24.1 |
| SUSE Manager Retail Branch Server 4.1 | libvirt | 6.0.0-13.24.1 |
| SUSE Manager Server 4.1 | libvirt | 6.0.0-13.24.1 |
| SUSE OpenStack Cloud 8 | libvirt | 3.3.0-5.49.1 |
| SUSE OpenStack Cloud 9 | libvirt | 4.0.0-8.26.1 |
| SUSE OpenStack Cloud Crowbar 8 | libvirt | 3.3.0-5.49.1 |
| SUSE OpenStack Cloud Crowbar 9 | libvirt | 4.0.0-8.26.1 |
| Ubuntu 18.04 LTS | libvirt | 4.0.0-1ubuntu8.21 |
| Ubuntu 20.04 LTS | libvirt | 6.0.0-0ubuntu8.16 |
| Ubuntu 22.04 LTS | libvirt | 8.0.0-1ubuntu7.19 |
| Ubuntu 24.04 LTS | libvirt | 10.0.0-2ubuntu8.16 |
| Ubuntu 26.04 LTS | libvirt | 12.0.0-1ubuntu5.3 |
| Ubuntu Pro 14.04 LTS | libvirt | no fix |
| Ubuntu Pro 14.04 LTS | libvirt | 1.2.2-0ubuntu13.1.28+esm2 |
| Ubuntu Pro 16.04 LTS | libvirt | 1.3.1-1ubuntu10.31+esm1 |
| Ubuntu Pro 18.04 LTS | libvirt | 4.0.0-1ubuntu8.21+esm1 |
| Ubuntu Pro 20.04 LTS | libvirt | 6.0.0-0ubuntu8.20+esm1 |
| openSUSE Leap 15.3 | libvirt | 7.1.0-6.11.1 |
| openSUSE Tumbleweed | libvirt | 8.0.0-1.1 |