{"cve":"CVE-2022-23084","nvd":{"published":"2024-02-15T05:15:08.833","modified":"2026-06-17T04:29:28.427","status":"Analyzed","description":"The total size of the user-provided nmreq to nmreq_copyin() was first computed and then trusted during the copyin.  This time-of-check to time-of-use bug could lead to kernel memory corruption.\n\nOn systems configured to include netmap in their devfs_ruleset, a privileged process running in a jail can affect the host environment.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H","score":7.5},"cwes":["CWE-367"],"references":["https://security.freebsd.org/advisories/FreeBSD-SA-22:04.netmap.asc","https://security.netapp.com/advisory/ntap-20240419-0003/","https://security.freebsd.org/advisories/FreeBSD-SA-22:04.netmap.asc","https://security.netapp.com/advisory/ntap-20240419-0003/"],"products":["freebsd:freebsd"],"source":"nvd","synced_at":"2026-10-19T21:45:59.823092188+00:00"},"epss":{"cve":"CVE-2022-23084","score":0.00243,"percentile":0.15582,"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."]}