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{"acknowledgement": "Red Hat would like to thank the Xen project for reporting this issue. Upstream acknowledges Aaron Cornelius (DornerWorks) as the original reporter.", "bugzilla": {"description": "xen: arm: Host crash caused by VMID exhaustion (XSA-181)", "id": "1342529", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1342529"}, "csaw": false, "cvss": {"cvss_base_score": "4.7", "cvss_scoring_vector": "AV:L/AC:M/Au:N/C:N/I:N/A:C", "status": "draft"}, "details": ["The p2m_teardown function in arch/arm/p2m.c in Xen 4.4.x through 4.6.x allows local guest OS users with access to the driver domain to cause a denial of service (NULL pointer dereference and host OS crash) by creating concurrent domains and holding references to them, related to VMID exhaustion."], "name": "CVE-2016-5242", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "xen", "product_name": "Red Hat Enterprise Linux 5"}], "public_date": "2016-06-03T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2016-5242\nhttps://nvd.nist.gov/vuln/detail/CVE-2016-5242\nhttp://xenbits.xen.org/xsa/advisory-181.html"], "threat_severity": "Moderate"}