Denial of Service Vulnerability in Xen through 4.10.x via Non-Preemptable L3/L4 Pagetable Freeing

CVE-2018-7540 · MEDIUM Severity

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

An issue was discovered in Xen through 4.10.x allowing x86 PV guest OS users to cause a denial of service (host OS CPU hang) via non-preemptable L3/L4 pagetable freeing.

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