{"id":"CVE-2022-23085","aliases":["EUVD-2022-28190","GHSA-w8p8-q938-ccr8"],"status":"published","title":"Potential jail escape vulnerabilities in netmap","description":"A user-provided integer option was passed to nmreq_copyin() without checking if it would overflow.  This insufficient bounds checking 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.","severity":{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-12","score":0.0049,"percentile":0.42657,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-120","CWE-787"],"published":"2024-02-15T04:52:17Z","modified":"2026-06-17T04:29:28Z","products":[{"vendor":"freebsd","product":"freebsd"}],"references":[{"url":"https://security.freebsd.org/advisories/FreeBSD-SA-22:04.netmap.asc","tags":["vendor-advisory","x_transferred","Vendor Advisory"]},{"url":"https://security.netapp.com/advisory/ntap-20240322-0004/","tags":["x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-23085"},{"url":"https://security.netapp.com/advisory/ntap-20240322-0004"},{"url":"https://github.com/advisories/GHSA-w8p8-q938-ccr8"}],"sources":{"cve":[{"id":"CVE-2022-23085","title":"Potential jail escape vulnerabilities in netmap","description":"A user-provided integer option was passed to nmreq_copyin() without checking if it would overflow.  This insufficient bounds checking 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.","status":"published","published":"2024-02-15T04:52:17.556Z","modified":"2025-02-13T16:28:59.297Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"adp"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T14:34:29.478363Z"}],"euvd":[{"id":"EUVD-2022-28190","description":"A user-provided integer option was passed to nmreq_copyin() without checking if it would overflow.  This insufficient bounds checking 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.","status":"published","published":"2024-02-15T04:52:17Z","modified":"2025-02-13T16:28:59Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-03T00:03:52.752782Z"}],"ghsa":[{"id":"GHSA-w8p8-q938-ccr8","title":"A user-provided integer option was passed to nmreq_copyin() without checking if it would overflow...","description":"A user-provided integer option was passed to nmreq_copyin() without checking if it would overflow.  This insufficient bounds checking 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.","status":"published","published":"2024-02-15T06:31:35Z","modified":"2024-12-09T18:32:22Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-120","CWE-787"],"updated_at":"2026-11-02T14:59:05.809648Z"}],"nvd":[{"id":"CVE-2022-23085","description":"A user-provided integer option was passed to nmreq_copyin() without checking if it would overflow.  This insufficient bounds checking 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.","status":"published","published":"2024-02-15T05:15:09.11Z","modified":"2026-06-17T04:29:28.59Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"secondary"}],"cwes":["CWE-787","CWE-120"],"updated_at":"2026-11-02T14:07:40.49892Z"}]}}