Vulnerability: XEN_DOMCTL_getmemlist Hypercall Denial of Service

CVE-2013-4553 · MEDIUM Severity

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

The XEN_DOMCTL_getmemlist hypercall in Xen 3.4.x through 4.3.x (possibly 4.3.1) does not always obtain the page_alloc_lock and mm_rwlock in the same order, which allows local guest administrators to cause a denial of service (host deadlock).

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