Xen 4.11 Vulnerability: HVM Guest OS Denial of Service and Host OS Privilege Escalation

CVE-2018-19963 · MEDIUM Severity

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

An issue was discovered in Xen 4.11 allowing HVM guest OS users to cause a denial of service (host OS crash) or possibly gain host OS privileges because x86 IOREQ server resource accounting (for external emulators) was mishandled.

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