CVE-2014-5206

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montaje bind, lo que permite a usuarios locales evadir las restricciones de s\u00f3lo lectura y vencer ciertos mecanismos de protecci\u00f3n sandbox a trav\u00e9s de un comando 'mount -o remount' dentro de un espacio para el nombre del usuario."}], "id": "CVE-2014-5206", "lastModified": "2026-06-17T00:11:12.880", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 7.2, "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C", "version": "2.0"}, "exploitabilityScore": 3.9, "impactScore": 10.0, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2014-08-18T11:15:27.107", "references": [{"source": "cve@mitre.org", "url": 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{"bugzilla": {"description": "kernel: mount flags handling during remount", "id": "1129662", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1129662"}, "csaw": false, "cvss": {"cvss_base_score": "6.0", "cvss_scoring_vector": "AV:L/AC:H/Au:S/C:C/I:C/A:C", "status": "draft"}, "details": ["The do_remount function in fs/namespace.c in the Linux kernel through 3.16.1 does not maintain the MNT_LOCK_READONLY bit across a remount of a bind mount, which allows local users to bypass an intended read-only restriction and defeat certain sandbox protection mechanisms via a \"mount -o remount\" command within a user namespace."], "name": "CVE-2014-5206", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/a:redhat:enterprise_mrg:2", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise MRG 2"}], "public_date": "2014-08-01T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2014-5206\nhttps://nvd.nist.gov/vuln/detail/CVE-2014-5206"], "statement": "Not vulnerable.\nThis issue did not affect the versions of kernel as shipped with Red Hat Enterprise Linux 5, 6, 7, and Red Hat Enterprise Linux MRG 2.", "threat_severity": "Important"}

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