{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "datePublic": "2017-01-31T00:00:00", "descriptions": [{"lang": "en", "value": "The nested_vmx_check_vmptr function in arch/x86/kvm/vmx.c in the Linux kernel through 4.9.8 improperly emulates the VMXON instruction, which allows KVM L1 guest OS users to cause a denial of service (host OS memory consumption) by leveraging the mishandling of page references."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2018-01-04T19:57:01", "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1417812"}, {"name": "[oss-security] 20170131 CVE-2017-2596 Kernel: kvm: page reference leakage in handle_vmon", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "http://www.openwall.com/lists/oss-security/2017/01/31/4"}, {"name": "95878", "tags": ["vdb-entry", "x_refsource_BID"], "url": "http://www.securityfocus.com/bid/95878"}, {"name": "RHSA-2017:2077", "tags": ["vendor-advisory", "x_refsource_REDHAT"], "url": "https://access.redhat.com/errata/RHSA-2017:2077"}, {"name": "RHSA-2017:1842", "tags": ["vendor-advisory", "x_refsource_REDHAT"], "url": "https://access.redhat.com/errata/RHSA-2017:1842"}, {"name": "DSA-3791", "tags": ["vendor-advisory", "x_refsource_DEBIAN"], "url": "http://www.debian.org/security/2017/dsa-3791"}]}}, "cveMetadata": {"assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "assignerShortName": "redhat", "cveId": "CVE-2017-2596", "datePublished": "2017-02-06T06:04:00", "dateReserved": "2016-12-01T00:00:00", "dateUpdated": "2018-01-04T19:57:01", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.0"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "631307FC-F876-4F6F-9611-3DA04263A60E", "versionEndIncluding": "4.9.8", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "The nested_vmx_check_vmptr function in arch/x86/kvm/vmx.c in the Linux kernel through 4.9.8 improperly emulates the VMXON instruction, which allows KVM L1 guest OS users to cause a denial of service (host OS memory consumption) by leveraging the mishandling of page references."}, {"lang": "es", "value": "La funci\u00f3n nested_vmx_check_vmptr en arch/x86/kvm/vmx.c en el kernel de Linux hasta la versi\u00f3n 4.9.8 emula indebidamente la instrucci\u00f3n VMXON, lo que permite a usuarios del SO invitado KVM L1 provocar una denegaci\u00f3n de servicio (consumo de memoria del SO anfitri\u00f3n) aprovechando el manejo incorrecto de referencia de p\u00e1ginas."}], "id": "CVE-2017-2596", "lastModified": "2023-02-12T23:29:04.677", "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}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H", "version": "3.0"}, "exploitabilityScore": 2.0, "impactScore": 4.0, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2017-02-06T06:59:00.450", "references": [{"source": "secalert@redhat.com", "url": "http://www.debian.org/security/2017/dsa-3791"}, {"source": "secalert@redhat.com", "tags": ["Mailing List", "Patch", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2017/01/31/4"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/95878"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2017:1842"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2017:2077"}, {"source": "secalert@redhat.com", "tags": ["Issue Tracking", "Patch"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1417812"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-772"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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