{"id":"CVE-2022-23084","state":"PUBLISHED","title":"Potential jail escape vulnerabilities in netmap","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.","publishedAt":"2024-02-15T04:52:09.645Z","updatedAt":"2025-02-13T16:28:58.743Z","severity":{"score":7.8,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","source":"CISA-ADP"},"assigner":"freebsd","products":["FreeBSD FreeBSD"],"affected":[{"vendor":"FreeBSD","product":"FreeBSD","defaultStatus":"unknown","versions":[{"version":"13.1-RC1","status":"affected","lessThan":"p1","versionType":"release"},{"version":"13.0-RELEASE","status":"affected","lessThan":"p11","versionType":"release"},{"version":"12.3-RELEASE","status":"affected","lessThan":"p5","versionType":"release"}],"modules":["netmap"]}],"references":["https://security.freebsd.org/advisories/FreeBSD-SA-22:04.netmap.asc","https://security.netapp.com/advisory/ntap-20240419-0003/"],"weaknesses":["CWE-367"],"ingestedAt":"2026-10-29T19:49:40.939Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/23xxx/CVE-2022-23084.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2022-23084","state":"PUBLISHED","datePublished":"2024-02-15T04:52:09.645Z","dateUpdated":"2025-02-13T16:28:58.743Z","assignerShortName":"freebsd","assignerOrgId":"63664ac6-956c-4cba-a5d0-f46076e16109","dateReserved":"2022-01-10T22:07:46.040Z"},"containers":{"cna":{"title":"Potential jail escape vulnerabilities in netmap","descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"FreeBSD","product":"FreeBSD","defaultStatus":"unknown","versions":[{"version":"13.1-RC1","status":"affected","lessThan":"p1","versionType":"release"},{"version":"13.0-RELEASE","status":"affected","lessThan":"p11","versionType":"release"},{"version":"12.3-RELEASE","status":"affected","lessThan":"p5","versionType":"release"}],"modules":["netmap"]}],"references":[{"url":"https://security.freebsd.org/advisories/FreeBSD-SA-22:04.netmap.asc","tags":["vendor-advisory"]},{"url":"https://security.netapp.com/advisory/ntap-20240419-0003/"}],"providerMetadata":{"shortName":"freebsd","orgId":"63664ac6-956c-4cba-a5d0-f46076e16109","dateUpdated":"2024-04-19T07:05:55.951Z"},"credits":[{"lang":"en","type":"finder","user":"00000000-0000-4000-9000-000000000000","value":"Reno Robert"},{"lang":"en","type":"finder","user":"00000000-0000-4000-9000-000000000000","value":"Lucas Leong (@_wmliang_)"},{"lang":"en","type":"finder","user":"00000000-0000-4000-9000-000000000000","value":"Trend Micro Zero Day Initiative"}],"datePublic":"2022-04-06T05:00:00.000Z","source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 0.1.0-dev"}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://security.freebsd.org/advisories/FreeBSD-SA-22:04.netmap.asc","tags":["vendor-advisory","x_transferred"]},{"url":"https://security.netapp.com/advisory/ntap-20240419-0003/","tags":["x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-03T03:28:43.503Z"}},{"title":"CISA ADP Vulnrichment","affected":[{"vendor":"freebsd","product":"freebsd","defaultStatus":"unknown","versions":[{"version":"13.1-rc1","status":"affected","lessThan":"p1","versionType":"custom"},{"version":"13.0-release","status":"affected","lessThan":"p11","versionType":"custom"},{"version":"12.3-release","status":"affected","lessThan":"p5","versionType":"custom"}],"cpes":["cpe:2.3:o:freebsd:freebsd:*:*:*:*:*:*:*:*"]}],"metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":7.8,"attackVector":"LOCAL","baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","integrityImpact":"HIGH","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"LOW","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"timestamp":"2024-02-15T16:46:40.534639Z","id":"CVE-2022-23084","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-367","type":"CWE","lang":"en","description":"CWE-367 Time-of-check Time-of-use (TOCTOU) Race Condition"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2024-08-29T18:48:40.014Z"}}]}}}