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{"acknowledgement": "Red Hat would like to thank the Xen project for reporting this issue. Upstream acknowledges Jan H. Sch\u00f6nherr (Amazon) as the original reporter.", "bugzilla": {"description": "xen: linux: Fix Xen block IO merge-ability calculation (XSA-229)", "id": "1477656", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1477656"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.5", "cvss3_scoring_vector": "CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "details": ["The xen_biovec_phys_mergeable function in drivers/xen/biomerge.c in Xen might allow local OS guest users to corrupt block device data streams and consequently obtain sensitive memory information, cause a denial of service, or gain host OS privileges by leveraging incorrect block IO merge-ability calculation."], "name": "CVE-2017-12134", "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": "2017-08-15T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2017-12134\nhttps://nvd.nist.gov/vuln/detail/CVE-2017-12134\nhttp://xenbits.xen.org/xsa/advisory-229.html"], "threat_severity": "Moderate"}