{"id":"CVE-2026-58100","revision":"e466bbb9429d438dbdc6b109dbbbf325","records":[{"revision":"e466bbb9429d438dbdc6b109dbbbf325","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-58100","aliases":[],"title":"Memory safety bugs in kqueue copy-on-fork implementation","description":"kqueue_fork_copy_knote() indexed into the child's file descriptor table using a knote's file descriptor number without a bounds check.  Because the child's table is copied before knotes are transferred, a concurrent thread in the parent could grow the parent's table and register knotes with file descriptor numbers beyond the end of the child's table, causing an out-of-bounds read.\n\nAn unprivileged local user may be able to exploit these races to escalate privileges.","state":0,"publishedAt":"2026-10-15T06:31:27.858+00:00","modifiedAt":"2026-10-19T14:11:08.268+00:00","affected":[{"ecosystem":"Vendor product","name":"FreeBSD","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"defaultStatus\": \"unknown\",\n                    \"modules\": [\n                        \"kqueue\"\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                }"}],"metrics":[],"references":["https://security.freebsd.org/advisories/FreeBSD-SA-26:65.kqueue.asc"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-58100","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-58100","identifiers":["CVE-2026-58100"]},"retained":false,"historicalAffected":[]}],"coverage":[]}