CVE-2017-10921: Improper Restriction of Operations within the Bounds of a Memory Buffer

The grant-table feature in Xen through 4.8.x does not ensure sufficient type counts for a GNTMAPdevicemap and GNTMAPhostmap mapping, which allows guest OS users to cause a denial of service count mismanagement and memory corruption or obtain privileged host OS access, aka XSA-224 bug 2...

CVE-2017-10920: Improper Restriction of Operations within the Bounds of a Memory Buffer

The grant-table feature in Xen through 4.8.x mishandles a GNTMAPdevicemap and GNTMAPhostmap mapping, when followed by only a GNTMAPhostmap unmapping, which allows guest OS users to cause a denial of service count mismanagement and memory corruption or obtain privileged host OS access, aka XSA-224...

CVE-2017-10918: Improper Input Validation

Xen through 4.8.x does not validate memory allocations during certain P2M operations, which allows guest OS users to obtain privileged host OS access, aka XSA-222...