Re: [RFC PATCH 00/11] Support microcode updates affecting SGX

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Wed, Mar 09, 2022 at 11:14:22AM -0800, Dave Hansen wrote:
> Let's imagine an extreme (thankfully imaginary) case: SGX has been
> totally broken by some attack.  All running enclaves might have been
> compromised.  A magical microcode update comes and saves the day and
> mitigates the attack.
> 
> From the hardware perspective, at the time of the microcode update, the
> (presumably compromised) enclaves *can* still run.

Here's where you lost me: the enclaves are presumably compromised and
yet you wanna leave them running?! Isn't the strategy to kill them to
limit the spread of whatever has compromised them?

-- 
Regards/Gruss,
    Boris.

https://people.kernel.org/tglx/notes-about-netiquette



[Index of Archives]     [AMD Graphics]     [Linux USB Devel]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]

  Powered by Linux