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"8E4719A6-FDEA-4714-A830-E23A52AE90BC", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "block/scsi_ioctl.c in the Linux kernel through 3.8 does not properly consider the SCSI device class during authorization of SCSI commands, which allows local users to bypass intended access restrictions via an SG_IO ioctl call that leverages overlapping opcodes."}, {"lang": "es", "value": "block / scsi_ioctl.c en el kernel de Linux a trav\u00e9s de v3,8 no tiene debidamente en cuenta la clase de dispositivo SCSI durante la autorizaci\u00f3n de los comandos SCSI, lo que permite a usuarios locales eludir restricciones de acceso destinados a trav\u00e9s de una llamada ioctl SG_IO que aprovecha c\u00f3digos de operaci\u00f3n que se superponen."}], "id": "CVE-2012-4542", "lastModified": "2025-04-11T00:51:21.963", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 4.6, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 3.9, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2013-02-28T19:55:01.107", "references": [{"source": "secalert@redhat.com", "url": "http://marc.info/?l=linux-kernel&m=135903967015813&w=2"}, {"source": "secalert@redhat.com", "url": "http://marc.info/?l=linux-kernel&m=135904012416042&w=2"}, {"source": "secalert@redhat.com", "url": "http://rhn.redhat.com/errata/RHSA-2013-0496.html"}, {"source": "secalert@redhat.com", "url": "http://rhn.redhat.com/errata/RHSA-2013-0579.html"}, {"source": "secalert@redhat.com", "url": "http://rhn.redhat.com/errata/RHSA-2013-0882.html"}, {"source": "secalert@redhat.com", "url": "http://rhn.redhat.com/errata/RHSA-2013-0928.html"}, {"source": "secalert@redhat.com", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=875360"}, {"source": "secalert@redhat.com", "url": "https://oss.oracle.com/git/?p=redpatch.git%3Ba=commit%3Bh=76a274e17114abf1a77de6b651424648ce9e10c8"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://marc.info/?l=linux-kernel&m=135903967015813&w=2"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://marc.info/?l=linux-kernel&m=135904012416042&w=2"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://rhn.redhat.com/errata/RHSA-2013-0496.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://rhn.redhat.com/errata/RHSA-2013-0579.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://rhn.redhat.com/errata/RHSA-2013-0882.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://rhn.redhat.com/errata/RHSA-2013-0928.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=875360"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://oss.oracle.com/git/?p=redpatch.git%3Ba=commit%3Bh=76a274e17114abf1a77de6b651424648ce9e10c8"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-264"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"acknowledgement": "This issue was discovered by Paolo Bonzini (Red Hat).", "affected_release": [{"advisory": "RHSA-2013:0496", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "kernel-0:2.6.32-358.el6", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2013-02-20T00:00:00Z"}, {"advisory": "RHSA-2013:0882", "cpe": "cpe:/o:redhat:rhel_eus:6.2", "package": "kernel-0:2.6.32-220.38.1.el6", "product_name": "Red Hat Enterprise Linux 6.2 EUS - Server and Compute Node Only", "release_date": "2013-05-30T00:00:00Z"}, {"advisory": "RHSA-2013:0928", "cpe": "cpe:/o:redhat:rhel_eus:6.3", "package": "kernel-0:2.6.32-279.31.1.el6", "product_name": "Red Hat Enterprise Linux 6.3 EUS - Server and Compute Node Only", "release_date": "2013-06-11T00:00:00Z"}, {"advisory": "RHSA-2013:0622", "cpe": "cpe:/a:redhat:enterprise_mrg:2:server:el6", "package": "kernel-rt-0:3.6.11-rt30.25.el6rt", "product_name": "Red Hat Enterprise MRG 2", "release_date": "2013-03-11T00:00:00Z"}, {"advisory": "RHSA-2013:0579", "cpe": "cpe:/o:redhat:enterprise_linux:6::hypervisor", "package": "rhev-hypervisor6-0:6.4-20130221.0.el6", "product_name": "RHEV 3.X Hypervisor and Agents for RHEL-6", "release_date": "2013-02-28T00:00:00Z"}], "bugzilla": {"description": "kernel: block: default SCSI command filter does not accomodate commands overlap across device classes", "id": "875360", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=875360"}, "csaw": false, "cvss": {"cvss_base_score": "4.9", "cvss_scoring_vector": "AV:A/AC:M/Au:S/C:P/I:P/A:P", "status": "verified"}, "details": ["block/scsi_ioctl.c in the Linux kernel through 3.8 does not properly consider the SCSI device class during authorization of SCSI commands, which allows local users to bypass intended access restrictions via an SG_IO ioctl call that leverages overlapping opcodes."], "name": "CVE-2012-4542", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Will not fix", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:rhel_eus:5.9", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux Extended Update Support 5.9"}], "public_date": "2013-01-24T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2012-4542\nhttps://nvd.nist.gov/vuln/detail/CVE-2012-4542"], "statement": "This issue does affect the Linux kernel packages as shipped with Red Hat Enterprise Linux 7. Due to the lack of upstream patches and the Moderate impact, we are not planning to address this issue in Red Hat Enterprise Linux 7.", "threat_severity": "Moderate"}