Hello Julian, Thursday, January 4, 2018, 8:49:50 PM, you wrote:
>> https://reviews.llvm.org/D41723 >> >> > not really.. > What's to stop an unprivileged used bringing his own compiler? or a > precompiled binary? As far as I understand, Spectre can not cross boundaries, so precompiled binary will be able read its own memory via bug. To read all memory via Spectre (don't confuse it with Meltdown) code must be privileged. And this codegen patch eliminate "gadgets" in kernel which could be exploited by userland code. -- Best regards, Lev mailto:[email protected] _______________________________________________ [email protected] mailing list https://lists.freebsd.org/mailman/listinfo/freebsd-security To unsubscribe, send any mail to "[email protected]"
