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{"acknowledgement": "Red Hat would like to thank Xen for reporting this issue.", "bugzilla": {"description": "kernel: xen: HVM guest destroy p2m teardown host DoS vulnerability", "id": "843582", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=843582"}, "csaw": false, "cvss": {"cvss_base_score": "5.5", "cvss_scoring_vector": "AV:A/AC:L/Au:S/C:N/I:N/A:C", "status": "draft"}, "details": ["Xen 4.0 and 4.1 allows local HVM guest OS kernels to cause a denial of service (domain 0 VCPU hang and kernel panic) by modifying the physical address space in a way that triggers excessive shared page search time during the p2m teardown."], "name": "CVE-2012-3433", "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": "Not affected", "package_name": "kernel-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:/a:redhat:enterprise_mrg:2", "fix_state": "Not affected", "package_name": "realtime-kernel", "product_name": "Red Hat Enterprise MRG 2"}], "public_date": "2012-08-09T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2012-3433\nhttps://nvd.nist.gov/vuln/detail/CVE-2012-3433"], "statement": "Not vulnerable.\nThe versions of the Linux kernel as shipped with Red Hat Enterprise Linux 5, 6,\nand Red Hat Enterprise MRG are not affected. \nThe versions of the kernel-xen packages as shipped with Red Hat Enterprise Linux 5 are not affected because we did not provide support for memory sharing functionality.", "threat_severity": "Important"}