{"id":"AZL-6658","summary":"CVE-2020-25637 affecting package libvirt for versions less than 6.1.0-4","details":"A double free memory issue was found to occur in the libvirt API, in versions before 6.8.0, responsible for requesting information about network interfaces of a running QEMU domain. This flaw affects the polkit access control driver. Specifically, clients connecting to the read-write socket with limited ACL permissions could use this flaw to crash the libvirt daemon, resulting in a denial of service, or potentially escalate their privileges on the system. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.","modified":"2026-04-01T05:21:00.473107Z","published":"2020-10-06T14:15:12Z","upstream":["CVE-2020-25637"],"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2020-25637"}],"affected":[{"package":{"name":"libvirt","ecosystem":"Azure Linux:2","purl":"pkg:rpm/azure-linux/libvirt"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.1.0-4"}]}],"database_specific":{"source":"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-6658.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H"}]}