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{"acknowledgement": "Red Hat would like to thank Xen project for reporting this issue.", "bugzilla": {"description": "xen: Linux pciback missing sanity checks leading to crash (XSA-157)", "id": "1289128", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1289128"}, "csaw": false, "cvss": {"cvss_base_score": "5.2", "cvss_scoring_vector": "AV:A/AC:M/Au:S/C:N/I:N/A:C", "status": "draft"}, "details": ["The PCI backend driver in Xen, when running on an x86 system and using Linux 3.1.x through 4.3.x as the driver domain, allows local guest administrators to hit BUG conditions and cause a denial of service (NULL pointer dereference and host OS crash) by leveraging a system with access to a passed-through MSI or MSI-X capable physical PCI device and a crafted sequence of XEN_PCI_OP_* operations, aka \"Linux pciback missing sanity checks.\""], "name": "CVE-2015-8551", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Will not fix", "package_name": "kernel-xen", "product_name": "Red Hat Enterprise Linux 5"}], "public_date": "2015-12-17T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2015-8551\nhttps://nvd.nist.gov/vuln/detail/CVE-2015-8551\nhttp://xenbits.xen.org/xsa/advisory-157.html"], "threat_severity": "Moderate"}