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{"acknowledgement": "Red Hat would like to thank Xen project for reporting this issue.", "affected_release": [{"advisory": "RHSA-2012:1540", "cpe": "cpe:/o:redhat:enterprise_linux:5", "package": "kernel-0:2.6.18-308.24.1.el5", "product_name": "Red Hat Enterprise Linux 5", "release_date": "2012-12-04T00:00:00Z"}], "bugzilla": {"description": "kernel: xen: VCPU timer overflow leads to PCPU deadlock and host death-by-watchdog", "id": "870086", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=870086"}, "csaw": false, "cvss": {"cvss_base_score": "5.5", "cvss_scoring_vector": "AV:A/AC:L/Au:S/C:N/I:N/A:C", "status": "verified"}, "details": ["Xen 3.4 through 4.2, and possibly earlier versions, allows local guest OS administrators to cause a denial of service (Xen infinite loop and physical CPU consumption) by setting a VCPU with an \"inappropriate deadline.\""], "name": "CVE-2012-4535", "public_date": "2012-11-13T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2012-4535\nhttps://nvd.nist.gov/vuln/detail/CVE-2012-4535"], "statement": "This issue did affect the versions of the kernel-xen package as shipped with Red Hat Enterprise Linux 5.\nThis issue did not affect Red Hat Enterprise Linux 6 and Red Hat Enterprise MRG as we did not have support for Xen hypervisor.", "threat_severity": "Moderate"}