{"id":"CVE-2023-1252","details":"A use-after-free flaw was found in the Linux kernel’s Ext4 File System in how a user triggers several file operations simultaneously with the overlay FS usage. This flaw allows a local user to crash or potentially escalate their privileges on the system. Only if patch 9a2544037600 (\"ovl: fix use after free in struct ovl_aio_req\") not applied yet, the kernel could be affected.","modified":"2026-03-14T12:01:00.892390Z","published":"2023-03-23T21:15:19.287Z","related":["ALSA-2023:7077"],"references":[{"type":"WEB","url":"https://lore.kernel.org/lkml/20211115165433.449951285%40linuxfoundation.org/"},{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20230505-0005/"}],"affected":[{"database_specific":{"unresolved_ranges":[{"events":[{"introduced":"5.6"},{"fixed":"5.10.80"}]},{"events":[{"introduced":"5.11"},{"fixed":"5.14.19"}]},{"events":[{"introduced":"5.15"},{"fixed":"5.15.3"}]}],"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-1252.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"}]}