{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-21991", "assignerOrgId": "43595867-4340-4103-b7a2-9a5208d29a85", "state": "PUBLISHED", "assignerShortName": "oracle", "dateReserved": "2026-01-05T18:07:34.717Z", "datePublished": "2026-03-16T21:36:44.856Z", "dateUpdated": "2026-03-16T21:36:44.856Z"}, "containers": {"cna": {"affected": [{"product": "Oracle Linux", "vendor": "Oracle Corporation", "versions": [{"status": "affected", "version": "8"}, {"status": "affected", "version": "9"}, {"status": "affected", "version": "10"}]}], "descriptions": [{"lang": "en", "value": "A DTrace component, dtprobed, allows arbitrary file creation through crafted USDT provider names."}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}}], "problemTypes": [{"descriptions": [{"description": "A DTrace component, dtprobed, allows arbitrary file creation through crafted USDT provider names.", "lang": "en", "type": "text"}]}], "providerMetadata": {"orgId": "43595867-4340-4103-b7a2-9a5208d29a85", "shortName": "oracle", "dateUpdated": "2026-03-16T21:36:44.856Z"}, "references": [{"name": "Oracle Advisory", "tags": ["vendor-advisory"], "url": "https://linux.oracle.com/cve/CVE-2026-21991.html"}]}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "A DTrace component, dtprobed, allows arbitrary file creation through crafted USDT provider names."}], "id": "CVE-2026-21991", "lastModified": "2026-03-16T22:16:18.397", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "secalert_us@oracle.com", "type": "Primary"}]}, "published": "2026-03-16T22:16:18.397", "references": [{"source": "secalert_us@oracle.com", "url": "https://linux.oracle.com/cve/CVE-2026-21991.html"}], "sourceIdentifier": "secalert_us@oracle.com", "vulnStatus": "Received"}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "8"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "9"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "10"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "Oracle Linux", "source": "cna", "vendor": "Oracle Corporation"}, "product": "oracle_linux", "vendor": "oracle_corporation"}], "created": "2026-03-17T09:52:06.199609+00:00", "updated": "2026-03-17T09:52:06.199702+00:00", "vendors": ["oracle_corporation", "oracle_corporation$PRODUCT$oracle_linux"]}