{"id":"AZL-9301","summary":"CVE-2021-3847 affecting package kernel for versions less than 5.15.160.1-1","details":"An unauthorized access to the execution of the setuid file with capabilities flaw in the Linux kernel OverlayFS subsystem was found in the way user copying a capable file from a nosuid mount into another mount. A local user could use this flaw to escalate their privileges on the system.","modified":"2026-04-21T04:35:00.408301Z","published":"2022-04-01T23:15:10Z","upstream":["CVE-2021-3847"],"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-3847"}],"affected":[{"package":{"name":"kernel","ecosystem":"Azure Linux:2","purl":"pkg:rpm/azure-linux/kernel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.15.160.1-1"}]}],"database_specific":{"source":"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-9301.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}]}