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{"affected_release": [{"advisory": "RHSA-2012:0676", "cpe": "cpe:/a:redhat:rhel_virtualization:5", "package": "kvm-0:83-249.el5_8.4", "product_name": "Red Hat Enterprise Linux 5", "release_date": "2012-05-21T00:00:00Z"}, {"advisory": "RHSA-2012:0743", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "kernel-0:2.6.32-220.23.1.el6", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2012-06-18T00:00:00Z"}], "bugzilla": {"description": "kvm: device assignment page leak", "id": "814149", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=814149"}, "csaw": false, "cvss": {"cvss_base_score": "4.7", "cvss_scoring_vector": "AV:L/AC:M/Au:N/C:N/I:N/A:C", "status": "verified"}, "details": ["The KVM implementation in the Linux kernel before 3.3.4 does not properly manage the relationships between memory slots and the iommu, which allows guest OS users to cause a denial of service (memory leak and host OS crash) by leveraging administrative access to the guest OS to conduct hotunplug and hotplug operations on devices."], "name": "CVE-2012-2121", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Affected", "package_name": "kvm", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:rhel_eus:6.2", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux Extended Update Support 6.2"}, {"cpe": "cpe:/a:redhat:enterprise_mrg:2", "fix_state": "Not affected", "package_name": "realtime-kernel", "product_name": "Red Hat Enterprise MRG 2"}], "public_date": "2012-03-29T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2012-2121\nhttps://nvd.nist.gov/vuln/detail/CVE-2012-2121"], "threat_severity": "Moderate"}