{"id":"CVE-2023-1295","details":"A time-of-check to time-of-use issue exists in io_uring subsystem's IORING_OP_CLOSE operation in the Linux kernel's versions 5.6 - 5.11 (inclusive), which allows a local user to elevate their privileges to root. Introduced in b5dba59e0cf7e2cc4d3b3b1ac5fe81ddf21959eb, patched in 9eac1904d3364254d622bf2c771c4f85cd435fc2, backported to stable in 788d0824269bef539fe31a785b1517882eafed93.","modified":"2026-03-13T06:50:57.284135Z","published":"2023-06-28T12:15:09.340Z","references":[{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20230731-0006/"},{"type":"FIX","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=788d0824269bef539fe31a785b1517882eafed93"},{"type":"FIX","url":"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=9eac1904d3364254d622bf2c771c4f85cd435fc2"},{"type":"FIX","url":"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b5dba59e0cf7e2cc4d3b3b1ac5fe81ddf21959eb"},{"type":"FIX","url":"https://kernel.dance/788d0824269bef539fe31a785b1517882eafed93"},{"type":"FIX","url":"https://kernel.dance/9eac1904d3364254d622bf2c771c4f85cd435fc2"}],"affected":[{"database_specific":{"unresolved_ranges":[{"events":[{"introduced":"5.6"},{"fixed":"5.10.162"}]},{"events":[{"introduced":"5.11"},{"fixed":"5.11.6"}]}],"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-1295.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"}]}