{"cve":"CVE-2023-2598","nvd":{"published":"2023-06-01T01:15:17.867","modified":"2026-06-17T05:52:58.687","status":"Modified","description":"A flaw was found in the fixed buffer registration code for io_uring (io_sqe_buffer_register in io_uring/rsrc.c) in the Linux kernel that allows out-of-bounds access to physical memory beyond the end of the buffer. This flaw enables full local privilege escalation.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":7.8},"cwes":["CWE-787","CWE-416"],"references":["http://www.openwall.com/lists/oss-security/2024/04/24/3","https://security.netapp.com/advisory/ntap-20230703-0006/","https://www.openwall.com/lists/oss-security/2023/05/08/3","http://www.openwall.com/lists/oss-security/2024/04/24/3","https://security.netapp.com/advisory/ntap-20230703-0006/"],"products":["linux:linux_kernel","netapp:hci_baseboard_management_controller"],"source":"nvd","synced_at":"2026-10-19T21:38:24.161619714+00:00"},"epss":{"cve":"CVE-2023-2598","score":0.01371,"percentile":0.71942,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}