{"id":"CVE-2026-21991","state":"PUBLISHED","title":"A DTrace component, dtprobed, allows arbitrary file creation through crafted USDT provider names.","description":"A DTrace component, dtprobed, allows arbitrary file creation through crafted USDT provider names.","publishedAt":"2026-03-16T21:36:44.856Z","updatedAt":"2026-03-17T13:35:45.790Z","severity":{"score":5.5,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","source":"oracle"},"assigner":"oracle","products":["Oracle Corporation Oracle Linux"],"affected":[{"vendor":"Oracle Corporation","product":"Oracle Linux","versions":[{"version":"8","status":"affected"},{"version":"9","status":"affected"},{"version":"10","status":"affected"}]}],"references":["https://linux.oracle.com/cve/CVE-2026-21991.html"],"weaknesses":["CWE-22"],"ingestedAt":"2026-10-29T20:11:10.572Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/21xxx/CVE-2026-21991.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-21991","state":"PUBLISHED","datePublished":"2026-03-16T21:36:44.856Z","dateUpdated":"2026-03-17T13:35:45.790Z","assignerShortName":"oracle","assignerOrgId":"43595867-4340-4103-b7a2-9a5208d29a85","dateReserved":"2026-01-05T18:07:34.717Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"A DTrace component, dtprobed, allows arbitrary file creation through crafted USDT provider names."}],"affected":[{"vendor":"Oracle Corporation","product":"Oracle Linux","versions":[{"version":"8","status":"affected"},{"version":"9","status":"affected"},{"version":"10","status":"affected"}]}],"references":[{"url":"https://linux.oracle.com/cve/CVE-2026-21991.html","name":"Oracle Advisory","tags":["vendor-advisory"]}],"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":{"shortName":"oracle","orgId":"43595867-4340-4103-b7a2-9a5208d29a85","dateUpdated":"2026-03-16T21:36:44.856Z"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-03-17T13:35:15.508371Z","id":"CVE-2026-21991","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-22","type":"CWE","lang":"en","description":"CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-03-17T13:35:45.790Z"}}]}}}