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{"acknowledgement": "Red Hat would like to thank Xen project for reporting this issue.", "affected_release": [{"advisory": "RHSA-2013:1449", "cpe": "cpe:/o:redhat:enterprise_linux:5", "package": "kernel-0:2.6.18-371.1.2.el5", "product_name": "Red Hat Enterprise Linux 5", "release_date": "2013-10-22T00:00:00Z"}], "bugzilla": {"description": "xen: information leak through outs instruction emulation (XSA-67)", "id": "1012550", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1012550"}, "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"}, "details": ["The outs instruction emulation in Xen 3.1.x, 4.2.x, 4.3.x, and earlier, when using FS: or GS: segment override, uses an uninitialized variable as a segment base, which allows local 64-bit PV guests to obtain sensitive information (hypervisor stack content) via unspecified vectors related to stale data in a segment register."], "name": "CVE-2013-4368", "public_date": "2013-10-10T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2013-4368\nhttps://nvd.nist.gov/vuln/detail/CVE-2013-4368\nhttp://xenbits.xen.org/xsa/advisory-67.html"], "threat_severity": "Moderate"}