{"id":"AZL-7063","summary":"CVE-2021-44733 affecting package kernel for versions less than 5.15.18.1-1","details":"A use-after-free exists in drivers/tee/tee_shm.c in the TEE subsystem in the Linux kernel through 5.15.11. This occurs because of a race condition in tee_shm_get_from_id during an attempt to free a shared memory object.","modified":"2026-04-01T05:21:57.674738Z","published":"2021-12-22T17:15:09Z","upstream":["CVE-2021-44733"],"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-44733"}],"affected":[{"package":{"name":"kernel","ecosystem":"Azure Linux:2","purl":"pkg:rpm/azure-linux/kernel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.15.18.1-1"}]}],"database_specific":{"source":"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-7063.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H"}]}