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prionPRIOn knowledge basePRION:CVE-2017-10920
HistoryJul 05, 2017 - 1:29 a.m.

Memory corruption

2017-07-0501:29:00
PRIOn knowledge base
www.prio-n.com
5

8.9 High

AI Score

Confidence

High

0.006 Low

EPSS

Percentile

79.3%

The grant-table feature in Xen through 4.8.x mishandles a GNTMAP_device_map and GNTMAP_host_map mapping, when followed by only a GNTMAP_host_map 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 bug 1.

CPENameOperatorVersion
xenle4.8.1

8.9 High

AI Score

Confidence

High

0.006 Low

EPSS

Percentile

79.3%