{"id":"CVE-2026-101304","revision":"bb7c8c0be464439aa977d7751a58216f","records":[{"revision":"bb7c8c0be464439aa977d7751a58216f","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-101304","aliases":[],"title":"Multiple jail filesystem root escapes","description":"When fdescfs(4) was mounted in a jail with the \"nodup\" option, opening /dev/fd/N returned a descriptor that did not inherit FD_RESOLVE_BENEATH or the Capsicum capability rights of descriptor N.\n\nA process in a jail that has received a directory file descriptor from another jail can use these techniques to escape the jail's filesystem root restriction.","state":0,"publishedAt":"2026-10-15T06:46:03.792+00:00","modifiedAt":"2026-10-20T16:53:31.151+00:00","affected":[{"ecosystem":"Vendor product","name":"FreeBSD","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"defaultStatus\": \"unknown\",\n                    \"modules\": [\n                        \"jail\"\n                    ],\n                    \"product\": \"FreeBSD\",\n                    \"vendor\": \"FreeBSD\",\n                    \"versions\": [\n                        {\n                            \"status\": \"affected\",\n                            \"versionType\": \"release\",\n                            \"version\": \"15.1-RELEASE\",\n                            \"lessThan\": \"p4\"\n                        },\n                        {\n                            \"status\": \"affected\",\n                            \"versionType\": \"release\",\n                            \"version\": \"15.0-RELEASE\",\n                            \"lessThan\": \"p14\"\n                        },\n                        {\n                            \"status\": \"affected\",\n                            \"versionType\": \"release\",\n                            \"version\": \"14.5-RELEASE\",\n                            \"lessThan\": \"p1\"\n                        },\n                        {\n                            \"status\": \"affected\",\n                            \"versionType\": \"release\",\n                            \"version\": \"14.4-RELEASE\",\n                            \"lessThan\": \"p10\"\n                        }\n                    ]\n                }"}],"metrics":[],"references":["https://security.freebsd.org/advisories/FreeBSD-SA-26:66.jail.asc"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-101304","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-101304","identifiers":["CVE-2026-101304"]},"retained":false,"historicalAffected":[]}],"coverage":[]}