Fragen? Antworten! Siehe auch: Alternativlos
ISSUE DESCRIPTIONAber macht euch keine Sorgen, denn das betrifft bloß Paravirtualisierung auf x86!1!!
=================The PV pagetable code has fast-paths for making updates to pre-existing pagetable entries, to skip expensive re-validation in safe cases (e.g. clearing only Access/Dirty bits). The bits considered safe were too broad, and not actually safe. IMPACT ====== A malicous PV guest administrator can escalate their privilege to that of the host.