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{"acknowledgement": "Red Hat would like to thank Xen project for reporting this issue.", "affected_release": [{"advisory": "RHSA-2013:1790", "cpe": "cpe:/o:redhat:enterprise_linux:5", "package": "kernel-0:2.6.18-371.3.1.el5", "product_name": "Red Hat Enterprise Linux 5", "release_date": "2013-12-05T00:00:00Z"}], "bugzilla": {"description": "Kernel: Xen: Xsa-63: information leak via I/O instruction emulation", "id": "1009598", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1009598"}, "csaw": false, "cvss": {"cvss_base_score": "2.3", "cvss_scoring_vector": "AV:A/AC:M/Au:S/C:P/I:N/A:N", "status": "verified"}, "cwe": "CWE-391->CWE-212->CWE-200", "details": ["Xen 4.3.x and earlier does not properly handle certain errors, which allows local HVM guests to obtain hypervisor stack memory via a (1) port or (2) memory mapped I/O write or (3) other unspecified operations related to addresses without associated memory."], "name": "CVE-2013-4355", "public_date": "2013-09-30T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2013-4355\nhttps://nvd.nist.gov/vuln/detail/CVE-2013-4355"], "statement": "This issue does affect the version of the kernel-xen package as shipped with Red Hat Enterprise Linux 5.\nThis issue does not affect the versions of the Linux kernel as shipped with Red Hat Enterprise Linux 6 and Red Hat Enterprise MRG as we did not have support for Xen hypervisor.", "threat_severity": "Moderate"}