To perform direct-branch to randpoline area with imm patched at runtime (by random offset), randpoline area must reside on 2GB range. Can be done by map additional virt page on each module that maps randpoline area. As Windows retpoline implementation. @bsdaemon @epakskape FYI :)
New paper - "Randpoline: A Software Mitigation for Branch Target Injection" @IntelSTORMTeam https://bit.ly/randpoline @IntelSecurity #WeAreSTORM Thanks for the help in reviewing and amazing discussions @paxteam @grsecurity @epakskape @wildsator @Kekai_Hu @pinkflawd @bsdaemon
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