Denial of Service Vulnerability in Xen 3.3.x through 4.5.x

CVE-2015-4103 · MEDIUM Severity

AV:L/AC:L/AU:N/C:N/I:N/A:C

Xen 3.3.x through 4.5.x does not properly restrict write access to the host MSI message data field, which allows local x86 HVM guest administrators to cause a denial of service (host interrupt handling confusion) via vectors related to qemu and accessing spanning multiple fields.

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