{ "id": "CVE-2017-5577", "sourceIdentifier": "cve@mitre.org", "published": "2017-02-06T06:59:00.810", "lastModified": "2017-02-08T18:32:37.323", "vulnStatus": "Analyzed", "descriptions": [ { "lang": "en", "value": "The vc4_get_bcl function in drivers/gpu/drm/vc4/vc4_gem.c in the VideoCore DRM driver in the Linux kernel before 4.9.7 does not set an errno value upon certain overflow detections, which allows local users to cause a denial of service (incorrect pointer dereference and OOPS) via inconsistent size values in a VC4_SUBMIT_CL ioctl call." }, { "lang": "es", "value": "La funci\u00f3n vc4_get_bcl en drivers/gpc/drm/vc4/vc4_gem.c en el controlador VideoCore DRM en el kernel de Linux en versiones anteriores a 4.9.7 no establece un valor errno sobre ciertas detecciones de desbordamiento, lo que permite a usuarios locales provocar una denegaci\u00f3n de servicio (referencia incorrecta al puntero y OOPS) a trav\u00e9s de valores de tama\u00f1o inconsistentes en una llamada ioctl VC4_SUBMIT_CL." } ], "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:N/A:H", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM" }, "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:N/A:C", "accessVector": "LOCAL", "accessComplexity": "LOW", "authentication": "NONE", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 4.9 }, "baseSeverity": "MEDIUM", "exploitabilityScore": 3.9, "impactScore": 6.9, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-388" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionEndIncluding": "4.9.6", "matchCriteriaId": "55352769-0317-401E-901B-1AE7A7ADD86F" } ] } ] } ], "references": [ { "url": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=6b8ac63847bc2f958dd93c09edc941a0118992d9", "source": "cve@mitre.org", "tags": [ "Issue Tracking", "Patch", "Third Party Advisory" ] }, { "url": "http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.7", "source": "cve@mitre.org", "tags": [ "Release Notes", "Vendor Advisory" ] }, { "url": "http://www.openwall.com/lists/oss-security/2017/01/21/7", "source": "cve@mitre.org", "tags": [ "Mailing List", "Patch", "Third Party Advisory" ] }, { "url": "http://www.securityfocus.com/bid/95765", "source": "cve@mitre.org", "tags": [ "Third Party Advisory", "VDB Entry" ] }, { "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1416437", "source": "cve@mitre.org", "tags": [ "Issue Tracking", "Patch" ] }, { "url": "https://github.com/torvalds/linux/commit/6b8ac63847bc2f958dd93c09edc941a0118992d9", "source": "cve@mitre.org", "tags": [ "Issue Tracking", "Patch", "Third Party Advisory" ] }, { "url": "https://lkml.org/lkml/2017/1/17/759", "source": "cve@mitre.org", "tags": [ "Mailing List", "Patch", "Third Party Advisory" ] } ] }