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{"acknowledgement": "Red Hat would like to thank Xen project for reporting this issue.", "bugzilla": {"description": "xen: Intercept issue with INVLPG on non-canonical address causing host to crash", "id": "1296544", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1296544"}, "csaw": false, "cvss": {"cvss_base_score": "6.3", "cvss_scoring_vector": "AV:N/AC:M/Au:S/C:N/I:N/A:C", "status": "draft"}, "details": ["The paging_invlpg function in include/asm-x86/paging.h in Xen 3.3.x through 4.6.x, when using shadow mode paging or nested virtualization is enabled, allows local HVM guest users to cause a denial of service (host crash) via a non-canonical guest address in an INVVPID instruction, which triggers a hypervisor bug check."], "name": "CVE-2016-1571", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Will not fix", "package_name": "xen", "product_name": "Red Hat Enterprise Linux 5"}], "public_date": "2016-01-20T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2016-1571\nhttps://nvd.nist.gov/vuln/detail/CVE-2016-1571"], "threat_severity": "Important"}