Author Archives: CIRT Team



CIRT Team

in Security Advisories & Alerts

Xen Security Advisory CVE-2017-10920 CVE-2017-10921 CVE-2017-10922 [grant table operations mishandle reference counts]

Description: The grant-table feature in Xen through 4.8.x does not ensure sufficient type counts for a GNTMAP_device_map and GNTMAP_host_map 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. Impact: For the worst...

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17 Jul 2017
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