CVE-2015-3214

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"descriptions": [{"lang": "en", "value": "The pit_ioport_read in i8254.c in the Linux kernel before 2.6.33 and QEMU before 2.3.1 does not distinguish between read lengths and write lengths, which might allow guest OS users to execute arbitrary code on the host OS by triggering use of an invalid index."}, {"lang": "es", "value": "Vulnerabilidad en pit_ioport_read en i8254.c en el kernel de Linux en versiones anteriores a 2.6.33 y en QEMU en versiones anteriores a 2.3.1, no distingue entre longitudes de lectura y longitudes de escritura, lo que podr\u00eda permitir a los usuarios invitados del SO ejecutar c\u00f3digo arbitrario en el host del SO desencadenando el uso de un \u00edndice no v\u00e1lido."}], "id": "CVE-2015-3214", "lastModified": "2026-06-17T00:25:33.133", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 6.9, "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "vectorString": "AV:L/AC:M/Au:N/C:C/I:C/A:C", "version": "2.0"}, "exploitabilityScore": 3.4, "impactScore": 10.0, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2015-08-31T10:59:07.580", "references": [{"source": "secalert@redhat.com", "tags": ["Patch", "Vendor Advisory"], "url": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ee73f656a604d5aa9df86a97102e4e462dd79924"}, {"source": "secalert@redhat.com", "tags": ["Broken Link", "Vendor Advisory"], "url": "http://mirror.linux.org.au/linux/kernel/v2.6/ChangeLog-2.6.33"}, {"source": "secalert@redhat.com", "tags": ["Issue Tracking", "Third Party Advisory"], "url": "http://rhn.redhat.com/errata/RHSA-2015-1507.html"}, {"source": "secalert@redhat.com", "tags": ["Issue Tracking", "Third Party Advisory"], 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"https://github.com/torvalds/linux/commit/ee73f656a604d5aa9df86a97102e4e462dd79924"}, {"source": "secalert@redhat.com", "tags": ["Issue Tracking", "Third Party Advisory"], "url": "https://security.gentoo.org/glsa/201510-02"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory"], "url": "https://support.lenovo.com/product_security/qemu"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory"], "url": "https://support.lenovo.com/us/en/product_security/qemu"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory"], "url": "https://www.arista.com/en/support/advisories-notices/security-advisories/1180-security-advisory-13"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory", "VDB Entry"], "url": "https://www.exploit-db.com/exploits/37990/"}, {"source": "secalert@redhat.com", "url": "https://www.mail-archive.com/qemu-devel%40nongnu.org/msg304138.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ee73f656a604d5aa9df86a97102e4e462dd79924"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Broken Link", "Vendor Advisory"], "url": "http://mirror.linux.org.au/linux/kernel/v2.6/ChangeLog-2.6.33"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Third Party Advisory"], "url": "http://rhn.redhat.com/errata/RHSA-2015-1507.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Third Party Advisory"], "url": "http://rhn.redhat.com/errata/RHSA-2015-1508.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "http://rhn.redhat.com/errata/RHSA-2015-1512.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Third Party Advisory"], "url": "http://www.debian.org/security/2015/dsa-3348"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List"], "url": "http://www.openwall.com/lists/oss-security/2015/06/25/7"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/75273"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securitytracker.com/id/1032598"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1229640"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/torvalds/linux/commit/ee73f656a604d5aa9df86a97102e4e462dd79924"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Third Party Advisory"], "url": "https://security.gentoo.org/glsa/201510-02"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://support.lenovo.com/product_security/qemu"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://support.lenovo.com/us/en/product_security/qemu"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://www.arista.com/en/support/advisories-notices/security-advisories/1180-security-advisory-13"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "https://www.exploit-db.com/exploits/37990/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://www.mail-archive.com/qemu-devel%40nongnu.org/msg304138.html"}], "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 Matt Tait (Google's Project Zero security team) for reporting this issue.", "affected_release": [{"advisory": "RHSA-2015:1507", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "qemu-kvm-10:1.5.3-86.el7_1.5", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2015-07-27T00:00:00Z"}, {"advisory": "RHSA-2015:1512", "cpe": "cpe:/a:redhat:openstack:5::el7", "package": "qemu-kvm-rhev-10:2.1.2-23.el7_1.6", "product_name": "Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) for RHEL 7", "release_date": "2015-07-28T00:00:00Z"}, {"advisory": "RHSA-2015:1512", "cpe": "cpe:/a:redhat:openstack:6::el7", "package": "qemu-kvm-rhev-10:2.1.2-23.el7_1.6", "product_name": "Red Hat Enterprise Linux OpenStack Platform 6.0 (Juno) for RHEL 7", "release_date": "2015-07-28T00:00:00Z"}, {"advisory": "RHSA-2015:1508", "cpe": "cpe:/o:redhat:enterprise_linux:7::hypervisor", "package": "qemu-kvm-rhev-10:2.1.2-23.el7_1.6", "product_name": "RHEV 3.X Hypervisor and Agents for RHEL-7", "release_date": "2015-07-27T00:00:00Z"}], "bugzilla": {"description": "qemu/kvm: i8254: out-of-bounds memory access in pit_ioport_read function", "id": "1229640", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1229640"}, "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"}, "cwe": "CWE-119", "details": ["The pit_ioport_read in i8254.c in the Linux kernel before 2.6.33 and QEMU before 2.3.1 does not distinguish between read lengths and write lengths, which might allow guest OS users to execute arbitrary code on the host OS by triggering use of an invalid index.", "An out-of-bounds memory access flaw, leading to memory corruption or possibly an information leak, was found in QEMU's pit_ioport_read() function. A privileged guest user in a QEMU guest, which had QEMU PIT emulation enabled, could potentially, in rare cases, use this flaw to execute arbitrary code on the host with the privileges of the hosting QEMU process."], "name": "CVE-2015-3214", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Will not fix", "package_name": "kvm", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "xen", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "qemu-kvm", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/a:redhat:openstack:5::el6", "fix_state": "Not affected", "package_name": "qemu-kvm-rhev", "product_name": "Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) for RHEL 6"}, {"cpe": "cpe:/a:redhat:openstack:7", "fix_state": "Not affected", "package_name": "qemu-kvm-rhev", "product_name": "Red Hat Enterprise Linux OpenStack Platform 7 (Kilo)"}, {"cpe": "cpe:/a:redhat:enterprise_mrg:2", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise MRG 2"}, {"cpe": "cpe:/a:redhat:openstack:4", "fix_state": "Not affected", "package_name": "qemu-kvm-rhev", "product_name": "Red Hat OpenStack Platform 4"}], "public_date": "2015-06-16T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2015-3214\nhttps://nvd.nist.gov/vuln/detail/CVE-2015-3214"], "statement": "This issue does not affect the versions of the qemu and qemu-kvm packages as shipped with Red Hat Enterprise Linux 5, 6 and Red Hat Enterprise Linux 6 based versions of qemu-kvm-rhev packages as shipped with Red Hat Enterprise Virtualization 3. \nThis issue does affect the Red Hat Enterprise Linux 7 qemu-kvm and Red Hat Enterprise Linux 7 based versions of the qemu-kvm-rhev packages as shipped with Red Hat Enterprise Virtualization 3. Future updates for the respective releases may address this flaw.\nPlease note that by default QEMU/KVM guests use in-kernel (KVM) PIT emulation\nin which case the following applies:\nThis issue does not affect the Linux kernel versions as shipped with Red Hat Enterprise Linux 5, 6, 7 and Red Hat Enterprise Linux MRG 2.\nThis issue does affect the kvm package as shipped with Red Hat Enterprise Linux 5. \nRed Hat Enterprise Linux 5 is now in Production 3 Phase of the support and maintenance life cycle. This has been rated as having Moderate security impact and is not currently planned to be addressed in future updates. For additional information, refer to the Red Hat Enterprise Linux Life Cycle: https://access.redhat.com/support/policy/updates/errata/.", "threat_severity": "Moderate"}

{}