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{"acknowledgement": "Red Hat would like to thank the Xen project for reporting this issue. Upstream acknowledges Jan Beulich (SUSE) as the original reporter.", "bugzilla": {"description": "xen: grant table operations mishandle reference counts (XSA-224)", "id": "1458878", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1458878"}, "csaw": false, "cvss3": {"cvss3_base_score": "8.5", "cvss3_scoring_vector": "CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H", "status": "draft"}, "details": ["The grant-table feature in Xen through 4.8.x mishandles MMIO region grant references, which allows guest OS users to cause a denial of service (loss of grant trackability), aka XSA-224 bug 3."], "mitigation": {"lang": "en:us", "value": "Running only HVM guests will avoid this vulnerability."}, "name": "CVE-2017-10922", "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": "2017-06-20T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2017-10922\nhttps://nvd.nist.gov/vuln/detail/CVE-2017-10922\nhttp://xenbits.xen.org/xsa/advisory-224.html"], "threat_severity": "Important"}