{"id":"AZL-9237","summary":"CVE-2021-4202 affecting package kernel for versions less than 5.15.37.1-2","details":"A use-after-free flaw was found in nci_request in net/nfc/nci/core.c in NFC Controller Interface (NCI) in the Linux kernel. This flaw could allow a local attacker with user privileges to cause a data race problem while the device is getting removed, leading to a privilege escalation problem.","modified":"2026-04-01T05:23:38.637431Z","published":"2022-03-25T19:15:09Z","upstream":["CVE-2021-4202"],"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-4202"}],"affected":[{"package":{"name":"kernel","ecosystem":"Azure Linux:2","purl":"pkg:rpm/azure-linux/kernel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.15.37.1-2"}]}],"database_specific":{"source":"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-9237.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"}]}