{"id":"AZL-8975","summary":"CVE-2021-3638 affecting package qemu for versions less than 6.2.0-2","details":"An out-of-bounds memory access flaw was found in the ATI VGA device emulation of QEMU. This flaw occurs in the ati_2d_blt() routine while handling MMIO write operations when the guest provides invalid values for the destination display parameters. A malicious guest could use this flaw to crash the QEMU process on the host, resulting in a denial of service.","modified":"2026-04-01T05:23:37.391788Z","published":"2022-03-03T23:15:08Z","upstream":["CVE-2021-3638"],"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-3638"}],"affected":[{"package":{"name":"qemu","ecosystem":"Azure Linux:2","purl":"pkg:rpm/azure-linux/qemu"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.2.0-2"}]}],"database_specific":{"source":"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-8975.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H"}]}