{"schema_version":"1.9.0","id":"CVE-2023-2430","published":"2023-07-23T00:00:00Z","modified":"2026-08-12T03:51:16.821467804Z","related":["SUSE-SU-2023:2871-1","SUSE-SU-2023:2892-1","SUSE-SU-2023:3302-1"],"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.","affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git","events":[{"introduced":"2241ab53cbb5cdb08a6b2d4688feb13971058f65"},{"last_affected":"2241ab53cbb5cdb08a6b2d4688feb13971058f65"}],"database_specific":{"extracted_events":[{"introduced":"Kernel Linux prior to Kernel 6.2 RC5"},{"last_affected":"Kernel Linux prior to Kernel 6.2 RC5"}],"source":"AFFECTED_FIELD"}}],"versions":["Kernel Linux prior to Kernel 6.2 RC5","v6.2-rc5"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-2430.json"}}],"references":[{"type":"WEB","url":"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=e12d7a46f65ae4b7d58a5e0c1cbfa825cf8"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/2xxx/CVE-2023-2430.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-2430"},{"type":"ADVISORY","url":"https://www.debian.org/security/2023/dsa-5492"}],"database_specific":{"cna_assigner":"redhat","cwe_ids":["CWE-413"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/2xxx/CVE-2023-2430.json"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}