{"cve":"CVE-2023-5370","nvd":{"published":"2023-10-04T04:15:15.593","modified":"2026-06-17T06:48:26.790","status":"Modified","description":"On CPU 0 the check for the SMCCC workaround is called before SMCCC support has been initialized. This resulted in no speculative execution workarounds being installed on CPU 0.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","score":5.5},"cwes":["CWE-665"],"references":["https://security.FreeBSD.org/advisories/FreeBSD-SA-23:14.smccc.asc","https://security.netapp.com/advisory/ntap-20231124-0005/","https://security.FreeBSD.org/advisories/FreeBSD-SA-23:14.smccc.asc","https://security.netapp.com/advisory/ntap-20231124-0005/"],"products":["freebsd:freebsd"],"source":"nvd","synced_at":"2026-10-19T21:39:34.467980132+00:00"},"epss":{"cve":"CVE-2023-5370","score":0.00201,"percentile":0.10066,"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."]}