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{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "0D272EF6-C70C-4FC5-98C4-3240045414FB", "versionEndIncluding": "3.8.4", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:3.8.0:*:*:*:*:*:*:*", "matchCriteriaId": "1A6E41FB-38CE-49F2-B796-9A5AA648E73F", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:3.8.1:*:*:*:*:*:*:*", "matchCriteriaId": "93523FE1-5993-46CB-9299-7C8C1A04E873", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:3.8.2:*:*:*:*:*:*:*", "matchCriteriaId": "27ADC356-6BE9-43A3-9E0B-393DC4B1559A", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:3.8.3:*:*:*:*:*:*:*", "matchCriteriaId": "4F543D23-1774-4D14-A7D1-AD49EDEA94DD", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The kvm_set_msr_common function in arch/x86/kvm/x86.c in the Linux kernel through 3.8.4 does not ensure a required time_page alignment during an MSR_KVM_SYSTEM_TIME operation, which allows guest OS users to cause a denial of service (buffer overflow and host OS memory corruption) or possibly have unspecified other impact via a crafted application."}, {"lang": "es", "value": "La funci\u00f3n kvm_set_msr_common en arch/x86/kvm/x86.c en el kernel de Linux hasta v3.8.4 no asegura una alineaci\u00f3n time_page requerido durante una operaci\u00f3n MSR_KVM_SYSTEM_TIME, que permite a usuarios de sistemas operativos invitados para causar una denegaci\u00f3n de servicios (desbordamiento de memoria y corrupci\u00f3n de memoria en el sistema operativo anfitri\u00f3n) o posiblemente tener un impacto no especificado a trav\u00e9s de una aplicaci\u00f3n dise\u00f1ada."}], "id": "CVE-2013-1796", "lastModified": "2023-02-13T00:27:56.990", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "HIGH", "accessVector": "ADJACENT_NETWORK", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 6.8, "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "vectorString": "AV:A/AC:H/Au:N/C:C/I:C/A:C", "version": "2.0"}, "exploitabilityScore": 3.2, "impactScore": 10.0, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2013-03-22T11:59:11.550", "references": [{"source": "secalert@redhat.com", "url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=c300aa64ddf57d9c5d9c898a64b36877345dd4a9"}, {"source": "secalert@redhat.com", "url": "http://lists.opensuse.org/opensuse-security-announce/2013-05/msg00018.html"}, {"source": "secalert@redhat.com", "url": "http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00005.html"}, {"source": "secalert@redhat.com", "url": "http://lists.opensuse.org/opensuse-security-announce/2013-07/msg00018.html"}, {"source": "secalert@redhat.com", "url": "http://rhn.redhat.com/errata/RHSA-2013-0727.html"}, {"source": "secalert@redhat.com", "url": "http://rhn.redhat.com/errata/RHSA-2013-0744.html"}, {"source": "secalert@redhat.com", "url": "http://rhn.redhat.com/errata/RHSA-2013-0746.html"}, {"source": "secalert@redhat.com", "url": "http://rhn.redhat.com/errata/RHSA-2013-0928.html"}, {"source": "secalert@redhat.com", "url": "http://rhn.redhat.com/errata/RHSA-2013-1026.html"}, {"source": "secalert@redhat.com", "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2013:176"}, {"source": "secalert@redhat.com", "url": "http://www.openwall.com/lists/oss-security/2013/03/20/9"}, {"source": "secalert@redhat.com", "url": "http://www.securityfocus.com/bid/58607"}, {"source": "secalert@redhat.com", "url": "http://www.ubuntu.com/usn/USN-1805-1"}, {"source": "secalert@redhat.com", "url": "http://www.ubuntu.com/usn/USN-1808-1"}, {"source": "secalert@redhat.com", "url": "http://www.ubuntu.com/usn/USN-1809-1"}, {"source": "secalert@redhat.com", "url": "http://www.ubuntu.com/usn/USN-1812-1"}, {"source": "secalert@redhat.com", "url": "http://www.ubuntu.com/usn/USN-1813-1"}, {"source": "secalert@redhat.com", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=917012"}, {"source": "secalert@redhat.com", "tags": ["Patch"], "url": "https://github.com/torvalds/linux/commit/c300aa64ddf57d9c5d9c898a64b36877345dd4a9"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-119"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"acknowledgement": "Red Hat would like to thank Andrew Honig (Google) for reporting this issue.", "affected_release": [{"advisory": "RHSA-2013:0727", "cpe": "cpe:/a:redhat:rhel_virtualization:5", "package": "kvm-0:83-262.el5_9.3", "product_name": "Red Hat Enterprise Linux 5", "release_date": "2013-04-09T00:00:00Z"}, {"advisory": "RHSA-2013:0744", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "kernel-0:2.6.32-358.6.1.el6", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2013-04-23T00:00:00Z"}, {"advisory": "RHSA-2013:1026", "cpe": "cpe:/o:redhat:rhel_eus:6.2", "package": "kernel-0:2.6.32-220.39.1.el6", "product_name": "Red Hat Enterprise Linux 6.2 EUS - Server and Compute Node Only", "release_date": "2013-07-09T00:00:00Z"}, {"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-2013:0746", "cpe": "cpe:/o:redhat:enterprise_linux:6::hypervisor", "package": "rhev-hypervisor6-0:6.4-20130415.0.el6_4", "product_name": "RHEV 3.X Hypervisor and Agents for RHEL-6", "release_date": "2013-04-23T00:00:00Z"}], "bugzilla": {"description": "kernel: kvm: buffer overflow in handling of MSR_KVM_SYSTEM_TIME", "id": "917012", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=917012"}, "csaw": false, "cvss": {"cvss_base_score": "6.5", "cvss_scoring_vector": "AV:A/AC:H/Au:S/C:C/I:C/A:C", "status": "verified"}, "details": ["The kvm_set_msr_common function in arch/x86/kvm/x86.c in the Linux kernel through 3.8.4 does not ensure a required time_page alignment during an MSR_KVM_SYSTEM_TIME operation, which allows guest OS users to cause a denial of service (buffer overflow and host OS memory corruption) or possibly have unspecified other impact via a crafted application."], "name": "CVE-2013-1796", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Affected", "package_name": "kvm", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/a:redhat:enterprise_mrg:2", "fix_state": "Not affected", "package_name": "realtime-kernel", "product_name": "Red Hat Enterprise MRG 2"}], "public_date": "2013-03-20T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2013-1796\nhttps://nvd.nist.gov/vuln/detail/CVE-2013-1796"], "statement": "This issue did not affect the versions of Linux kernel as shipped with Red Hat\nEnterprise Linux 5 and Red Hat Enterprise MRG as they did not provide support\nfor the KVM subsystem.", "threat_severity": "Important"}