{ "CVE_data_meta": { "ASSIGNER": "secalert@redhat.com", "ID": "CVE-2012-2121", "STATE": "PUBLIC" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "n/a", "version": { "version_data": [ { "version_value": "n/a" } ] } } ] }, "vendor_name": "n/a" } ] } }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "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." } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "n/a" } ] } ] }, "references": { "reference_data": [ { "name": "50732", "refsource": "SECUNIA", "url": "http://secunia.com/advisories/50732" }, { "name": "RHSA-2012:0743", "refsource": "REDHAT", "url": "http://rhn.redhat.com/errata/RHSA-2012-0743.html" }, { "name": "1027083", "refsource": "SECTRACK", "url": "http://www.securitytracker.com/id?1027083" }, { "name": "[oss-security] 20120419 Re: CVE request -- kernel: kvm: device assignment page leak", "refsource": "MLIST", "url": "http://www.openwall.com/lists/oss-security/2012/04/19/16" }, { "name": "https://bugzilla.redhat.com/show_bug.cgi?id=814149", "refsource": "CONFIRM", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=814149" }, { "name": "https://github.com/torvalds/linux/commit/09ca8e1173bcb12e2a449698c9ae3b86a8a10195", "refsource": "CONFIRM", "url": "https://github.com/torvalds/linux/commit/09ca8e1173bcb12e2a449698c9ae3b86a8a10195" }, { "name": "USN-1577-1", "refsource": "UBUNTU", "url": "http://www.ubuntu.com/usn/USN-1577-1" }, { "name": "http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.3.4", "refsource": "CONFIRM", "url": "http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.3.4" }, { "name": "USN-2036-1", "refsource": "UBUNTU", "url": "http://www.ubuntu.com/usn/USN-2036-1" }, { "name": "USN-2037-1", "refsource": "UBUNTU", "url": "http://www.ubuntu.com/usn/USN-2037-1" }, { "name": "RHSA-2012:0676", "refsource": "REDHAT", "url": "http://rhn.redhat.com/errata/RHSA-2012-0676.html" } ] } }