{ "id": "CVE-2015-7837", "sourceIdentifier": "cve@mitre.org", "published": "2017-09-19T16:29:00.230", "lastModified": "2024-11-21T02:37:29.990", "vulnStatus": "Modified", "cveTags": [], "descriptions": [ { "lang": "en", "value": "The Linux kernel, as used in Red Hat Enterprise Linux 7, kernel-rt, and Enterprise MRG 2 and when booted with UEFI Secure Boot enabled, allows local users to bypass intended securelevel/secureboot restrictions by leveraging improper handling of secure_boot flag across kexec reboot." }, { "lang": "es", "value": "El kernel de Linux, tal y como se emplea en Red Hat Enterprise Linux 7, kernel-rt y Enterprise MRG 2 y cuando se emplea con UEFI Secure Boot habilitado, permite que usuarios locales omitan las restricciones securelevel/secureboot previstas aprovechando la gesti\u00f3n incorrecta de la marca secure_boot cuando se reinicia kexec." } ], "metrics": { "cvssMetricV30": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.0", "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N", "baseScore": 5.5, "baseSeverity": "MEDIUM", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "availabilityImpact": "NONE" }, "exploitabilityScore": 1.8, "impactScore": 3.6 } ], "cvssMetricV2": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "2.0", "vectorString": "AV:L/AC:L/Au:N/C:N/I:P/A:N", "baseScore": 2.1, "accessVector": "LOCAL", "accessComplexity": "LOW", "authentication": "NONE", "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "availabilityImpact": "NONE" }, "baseSeverity": "LOW", "exploitabilityScore": 3.9, "impactScore": 2.9, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-254" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*", "matchCriteriaId": "142AD0DD-4CF3-4D74-9442-459CE3347E3A" }, { "vulnerable": true, "criteria": "cpe:2.3:o:redhat:enterprise_linux:7.2:*:*:*:*:*:*:*", "matchCriteriaId": "2E4DC974-235F-4655-966F-2490A4C4E490" }, { "vulnerable": true, "criteria": "cpe:2.3:o:redhat:enterprise_linux:7.3:*:*:*:*:*:*:*", "matchCriteriaId": "B99A2411-7F6A-457F-A7BF-EB13C630F902" }, { "vulnerable": true, "criteria": "cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*", "matchCriteriaId": "33C068A4-3780-4EAB-A937-6082DF847564" }, { "vulnerable": true, "criteria": "cpe:2.3:o:redhat:enterprise_linux_server_aus:7.3:*:*:*:*:*:*:*", "matchCriteriaId": "98381E61-F082-4302-B51F-5648884F998B" }, { "vulnerable": true, "criteria": "cpe:2.3:o:redhat:enterprise_linux_server_aus:7.4:*:*:*:*:*:*:*", "matchCriteriaId": "D99A687E-EAE6-417E-A88E-D0082BC194CD" }, { "vulnerable": true, "criteria": "cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*", "matchCriteriaId": "825ECE2D-E232-46E0-A047-074B34DB1E97" }, { "vulnerable": true, "criteria": "cpe:2.3:o:redhat:enterprise_mrg:2.0:*:*:*:*:*:*:*", "matchCriteriaId": "C60FA8B1-1802-4522-A088-22171DCF7A93" }, { "vulnerable": true, "criteria": "cpe:2.3:o:redhat:kernel-rt:7.0:*:*:*:*:*:*:*", "matchCriteriaId": "91CBEE52-268D-4EA2-8DEB-090F88BA50CF" } ] } ] } ], "references": [ { "url": "http://rhn.redhat.com/errata/RHSA-2015-2152.html", "source": "cve@mitre.org", "tags": [ "Vendor Advisory" ] }, { "url": "http://rhn.redhat.com/errata/RHSA-2015-2411.html", "source": "cve@mitre.org", "tags": [ "Vendor Advisory" ] }, { "url": "http://www.openwall.com/lists/oss-security/2015/10/15/6", "source": "cve@mitre.org", "tags": [ "Mailing List", "Third Party Advisory" ] }, { "url": "http://www.securityfocus.com/bid/77097", "source": "cve@mitre.org", "tags": [ "Third Party Advisory", "VDB Entry" ] }, { "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1272472", "source": "cve@mitre.org", "tags": [ "Issue Tracking", "Vendor Advisory" ] }, { "url": "https://github.com/mjg59/linux/commit/4b2b64d5a6ebc84214755ebccd599baef7c1b798", "source": "cve@mitre.org", "tags": [ "Issue Tracking", "Third Party Advisory" ] }, { "url": "http://rhn.redhat.com/errata/RHSA-2015-2152.html", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Vendor Advisory" ] }, { "url": "http://rhn.redhat.com/errata/RHSA-2015-2411.html", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Vendor Advisory" ] }, { "url": "http://www.openwall.com/lists/oss-security/2015/10/15/6", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Mailing List", "Third Party Advisory" ] }, { "url": "http://www.securityfocus.com/bid/77097", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Third Party Advisory", "VDB Entry" ] }, { "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1272472", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Issue Tracking", "Vendor Advisory" ] }, { "url": "https://github.com/mjg59/linux/commit/4b2b64d5a6ebc84214755ebccd599baef7c1b798", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Issue Tracking", "Third Party Advisory" ] } ] }