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PRIOn knowledge basePRION:CVE-2020-27777HistoryDec 15, 2020 - 5:15 p.m.
Design/Logic Flaw
2020-12-1517:15:00
PRIOn knowledge base
www.prio-n.com
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A flaw was found in the way RTAS handled memory accesses in userspace to kernel communication. On a locked down (usually due to Secure Boot) guest system running on top of PowerVM or KVM hypervisors (pseries platform) a root like local user could use this flaw to further increase their privileges to that of a running kernel.
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