{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-58086", "assignerOrgId": "63664ac6-956c-4cba-a5d0-f46076e16109", "state": "PUBLISHED", "assignerShortName": "freebsd", "dateReserved": "2026-06-29T01:40:17.498Z", "datePublished": "2026-08-19T07:42:10.902Z", "dateUpdated": "2026-08-19T07:42:10.902Z"}, "containers": {"cna": {"datePublic": "2026-07-29T22:40:00.000Z", "title": "ktrace(2) privilege incorrectly validated in jails", "references": [{"tags": ["vendor-advisory"], "url": "https://security.freebsd.org/advisories/FreeBSD-SA-26:53.ktrace.asc"}], "affected": [{"defaultStatus": "unknown", "modules": ["ktrace"], "product": "FreeBSD", "vendor": "FreeBSD", "versions": [{"status": "affected", "versionType": "release", "version": "15.1-RELEASE", "lessThan": "p2"}, {"status": "affected", "versionType": "release", "version": "15.0-RELEASE", "lessThan": "p12"}]}], "credits": [{"lang": "en", "type": "finder", "value": "Alexander Leidinger"}], "descriptions": [{"lang": "en", "value": "As an inadvertent side effect of an unrelated code change, PRIV_KTRACE was always denied to a jailed root user. Tracing configured by a jailed root user was therefore not flagged as privileged.\n\nAn unprivileged user in a jail that has permission to debug the target process can modify the jailed root user's ktrace(2) flags, or disable tracing outright. A jailed root user therefore cannot reliably trace unprivileged processes."}], "problemTypes": [{"descriptions": [{"cweId": "CWE-273", "description": "CWE-273: Improper Check for Dropped Privileges", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "63664ac6-956c-4cba-a5d0-f46076e16109", "shortName": "freebsd", "dateUpdated": "2026-08-19T07:42:10.902Z"}, "x_generator": {"engine": "cvelib 1.8.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unknown", "modules": ["ktrace"], "product": "FreeBSD", "vendor": "FreeBSD", "versions": [{"lessThan": "p2", "status": "affected", "version": "15.1-RELEASE", "versionType": "release"}, {"lessThan": "p12", "status": "affected", "version": "15.0-RELEASE", "versionType": "release"}]}], "source": "secteam@freebsd.org"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "As an inadvertent side effect of an unrelated code change, PRIV_KTRACE was always denied to a jailed root user. Tracing configured by a jailed root user was therefore not flagged as privileged.\n\nAn unprivileged user in a jail that has permission to debug the target process can modify the jailed root user's ktrace(2) flags, or disable tracing outright. A jailed root user therefore cannot reliably trace unprivileged processes."}], "id": "CVE-2026-58086", "lastModified": "2026-08-19T08:17:12.777", "metrics": {}, "published": "2026-08-19T08:17:12.777", "references": [{"source": "secteam@freebsd.org", "url": "https://security.freebsd.org/advisories/FreeBSD-SA-26:53.ktrace.asc"}], "sourceIdentifier": "secteam@freebsd.org", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-273"}], "source": "secteam@freebsd.org", "type": "Secondary"}]}

{}

{}