View at Official suse advisory, NVD, CVE.org · CVE detail
Freshness: upstream tracker timestamp is available; use API updated time as primary recency signal.
CVE-2021-4147 severity important: SUSE including 748 source package names (0.45.0.7.7.56:libvirt-libs-7.1.0-6.11.1, 0.45.0.8.10.1:libvirt-client-7.1.0-6.11.1, …), 1870 product×package rows across 79 product lines (Container suse/sles/15.3/libguestfs-tools, Container suse/sles/15.3/virt-handler, … (79 product lines)): Fixed 1587, Known Affected 231, Known Not Affected 52.
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.