Race condition in relinquish_memory function in Xen 4.6.x and earlier allows local domains to cause denial of service via memory reduction

Race condition in relinquish_memory function in Xen 4.6.x and earlier allows local domains to cause denial of service via memory reduction

CVE-2015-7814 · MEDIUM Severity

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

Race condition in the relinquish_memory function in arch/arm/domain.c in Xen 4.6.x and earlier allows local domains with partial management control to cause a denial of service (host crash) via vectors involving the destruction of a domain and using XENMEM_decrease_reservation to reduce the memory of the domain.

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