{"id":"CVE-2023-0468","details":"A use-after-free flaw was found in io_uring/poll.c in io_poll_check_events in the io_uring subcomponent in the Linux Kernel due to a race condition of poll_refs. This flaw may cause a NULL pointer dereference.","modified":"2026-03-13T06:48:50.745174Z","published":"2023-01-26T21:18:09.347Z","references":[{"type":"FIX","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2164024"}],"affected":[{"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-0468.json","unresolved_ranges":[{"events":[{"introduced":"0"},{"fixed":"6.1"}]},{"events":[{"introduced":"0"},{"last_affected":"6.1-NA"}]},{"events":[{"introduced":"0"},{"last_affected":"6.1-rc1"}]},{"events":[{"introduced":"0"},{"last_affected":"6.1-rc2"}]},{"events":[{"introduced":"0"},{"last_affected":"6.1-rc3"}]},{"events":[{"introduced":"0"},{"last_affected":"6.1-rc4"}]},{"events":[{"introduced":"0"},{"last_affected":"6.1-rc5"}]},{"events":[{"introduced":"0"},{"last_affected":"6.1-rc6"}]}]}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}