CVE-2026-45253

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As a result, a user with the ability to debug a process may trigger arbitrary code execution in the kernel, even if the target process has no special privileges.\n\nThe missing validation allows an unprivileged local user to escalate privileges, potentially gaining full control of the affected system."}, {"lang": "es", "value": "ptrace(PT_SC_REMOTE) no valid\u00f3 correctamente los par\u00e1metros para las metallamadas al sistema syscall(2) y __syscall(2). Como resultado, un usuario con la capacidad de depurar un proceso puede desencadenar la ejecuci\u00f3n de c\u00f3digo arbitrario en el kernel, incluso si el proceso objetivo no tiene privilegios especiales.\n\nLa validaci\u00f3n faltante permite a un usuario local sin privilegios escalar privilegios, obteniendo potencialmente el control total del sistema afectado."}], "id": "CVE-2026-45253", "lastModified": "2026-07-23T16:10:00.137", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 8.4, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.5, "impactScore": 5.9, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-45253", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-05-21T00:00:00+00:00", "version": "2.0.3"}}]}, "published": "2026-05-21T10:16:26.270", "references": [{"source": "secteam@freebsd.org", "tags": ["Vendor Advisory"], "url": "https://security.freebsd.org/advisories/FreeBSD-SA-26:21.ptrace.asc"}], "sourceIdentifier": "secteam@freebsd.org", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-787"}], "source": "secteam@freebsd.org", "type": "Secondary"}]}

{}

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