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{"acknowledgement": "Red Hat would like to thank Xen project for reporting this issue. Upstream acknowledges Andrew Cooper and Citrix XenServer team as the original reporters.", "bugzilla": {"description": "kernel: xen: Page reference counting error due to XSA-45/CVE-2013-1918 fixes", "id": "974250", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=974250"}, "csaw": false, "cvss": {"cvss_base_score": "6.5", "cvss_scoring_vector": "AV:A/AC:H/Au:S/C:C/I:C/A:C", "status": "draft"}, "details": ["Xen 4.1.x and 4.2.x, when the XSA-45 patch is in place, does not properly maintain references on pages stored for deferred cleanup, which allows local PV guest kernels to cause a denial of service (premature page free and hypervisor crash) or possibly gain privileges via unspecified vectors."], "name": "CVE-2013-1432", "package_state": [{"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": "2013-06-26T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2013-1432\nhttps://nvd.nist.gov/vuln/detail/CVE-2013-1432"], "statement": "Not vulnerable.\nThis issue did not affect the versions of the kernel-xen package as shipped with Red Hat Enterprise Linux 5 because we did not backport CVE-2013-1918 fix.\nThis issue did not affect Red Hat Enterprise Linux 6 and Red Hat Enterprise MRG 2 because of missing Xen hypervisor support.", "threat_severity": "Important"}