{"id":"AZL-6596","summary":"CVE-2021-41073 affecting package kernel for versions less than 5.10.78.1-1","details":"loop_rw_iter in fs/io_uring.c in the Linux kernel 5.10 through 5.14.6 allows local users to gain privileges by using IORING_OP_PROVIDE_BUFFERS to trigger a free of a kernel buffer, as demonstrated by using /proc/\u003cpid\u003e/maps for exploitation.","modified":"2026-04-01T05:20:40.188369Z","published":"2021-09-19T17:15:07Z","upstream":["CVE-2021-41073"],"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-41073"}],"affected":[{"package":{"name":"kernel","ecosystem":"Azure Linux:2","purl":"pkg:rpm/azure-linux/kernel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.10.78.1-1"}]}],"database_specific":{"source":"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-6596.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"}]}