{"id":"CVE-2023-2430","details":"A vulnerability was found due to missing lock for IOPOLL flaw in io_cqring_event_overflow() in io_uring.c in Linux Kernel. This flaw allows a local attacker with user privilege to trigger a Denial of Service threat.","modified":"2026-03-14T11:58:51.050021Z","published":"2023-07-23T02:15:11.257Z","related":["SUSE-SU-2023:2871-1","SUSE-SU-2023:2892-1","SUSE-SU-2023:3302-1"],"references":[{"type":"ADVISORY","url":"https://www.debian.org/security/2023/dsa-5492"},{"type":"FIX","url":"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=e12d7a46f65ae4b7d58a5e0c1cbfa825cf8"}],"affected":[{"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-2430.json","unresolved_ranges":[{"events":[{"introduced":"0"},{"fixed":"6.2"}]},{"events":[{"introduced":"0"},{"last_affected":"6.2-NA"}]},{"events":[{"introduced":"0"},{"last_affected":"6.2-rc1"}]},{"events":[{"introduced":"0"},{"last_affected":"6.2-rc2"}]},{"events":[{"introduced":"0"},{"last_affected":"6.2-rc3"}]},{"events":[{"introduced":"0"},{"last_affected":"6.2-rc4"}]}]}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}