{"id":"AZL-35153","summary":"CVE-2021-4158 affecting package qemu for versions less than 6.2.0-18","details":"A NULL pointer dereference issue was found in the ACPI code of QEMU. A malicious, privileged user within the guest could use this flaw to crash the QEMU process on the host, resulting in a denial of service condition.","modified":"2026-04-01T05:11:57.498804Z","published":"2022-08-24T16:15:09Z","upstream":["CVE-2021-4158"],"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-4158"}],"affected":[{"package":{"name":"qemu","ecosystem":"Azure Linux:3","purl":"pkg:rpm/azure-linux/qemu"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.2.0-18"}]}],"database_specific":{"source":"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-35153.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H"}]}