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no valida la configuraci\u00f3n de superbloque, lo que permite a usuarios locales provocar una denegaci\u00f3n de servicio (un puntero de referencia NULL y OOPS) mediante el intento de montar un sistema de ficheros ext4 manipulado."}], "id": "CVE-2009-0748", "lastModified": "2023-11-07T02:03:43.140", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 4.9, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C", "version": "2.0"}, "exploitabilityScore": 3.9, "impactScore": 6.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2009-02-27T17:30:09.983", "references": [{"source": "cve@mitre.org", "tags": ["Exploit"], "url": 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"url": "http://www.ubuntu.com/usn/usn-751-1"}, {"source": "cve@mitre.org", "url": "http://www.vmware.com/security/advisories/VMSA-2009-0016.html"}, {"source": "cve@mitre.org", "tags": ["Vendor Advisory"], "url": "http://www.vupen.com/english/advisories/2009/0509"}, {"source": "cve@mitre.org", "url": "http://www.vupen.com/english/advisories/2009/3316"}, {"source": "cve@mitre.org", "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10683"}, {"source": "cve@mitre.org", "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8526"}], "sourceIdentifier": "cve@mitre.org", "vendorComments": [{"comment": "This issue did not affect the versions of Linux kernel as shipped with Red Hat Enterprise Linux 2.1, 3, 4, and Red Hat Enterprise MRG.\n\nThis issue was addressed in Red Hat Enterprise Linux 5 by\nhttps://rhn.redhat.com/errata/RHSA-2009-1243.html", "lastModified": "2009-09-02T00:00:00", "organization": "Red Hat"}], "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-20"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2009:1243", "cpe": "cpe:/o:redhat:enterprise_linux:5", "package": "kernel-0:2.6.18-164.el5", "product_name": "Red Hat Enterprise Linux 5", "release_date": "2009-09-02T00:00:00Z"}], "bugzilla": {"description": "kernel: ext4: ext4_fill_super() missing validation issue", "id": "487945", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=487945"}, "csaw": false, "cvss": {"cvss_base_score": "4.9", "cvss_scoring_vector": "AV:L/AC:L/Au:N/C:N/I:N/A:C", "status": "verified"}, "details": ["The ext4_fill_super function in fs/ext4/super.c in the Linux kernel 2.6.27 before 2.6.27.19 and 2.6.28 before 2.6.28.7 does not validate the superblock configuration, which allows local users to cause a denial of service (NULL pointer dereference and OOPS) by attempting to mount a crafted ext4 filesystem."], "name": "CVE-2009-0748", "public_date": "2009-01-06T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2009-0748\nhttps://nvd.nist.gov/vuln/detail/CVE-2009-0748"], "statement": "This issue did not affect the versions of Linux kernel as shipped with Red Hat Enterprise Linux 2.1, 3, 4, and Red Hat Enterprise MRG.", "threat_severity": "Low"}