Improper Lock Release in Xen's memory_exchange Function

CVE-2015-8340 · MEDIUM Severity

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

The memory_exchange function in common/memory.c in Xen 3.2.x through 4.6.x does not properly release locks, which might allow guest OS administrators to cause a denial of service (deadlock or host crash) via unspecified vectors, related to XENMEM_exchange error handling.

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