Re: Zenbleed

[Jung-uk Kim]

On 23. 7. 27., mike tancsa wrote:

On 7/27/2023 1:38 PM, Jung-uk Kim wrote:

I guess you checked out a wrong branch.  Please see the attached minimal patch I made for FreeBSD.  I think it will work on any supported FreeBSD branches.  Note the original exploit is available from here:

https://lock.cmpxchg8b.com/files/zenbleed-v5.tar.gz

With the forgotten attachment.

Thanks!  A little farther on RELENG_12. I can compile on RELENG_13 ok. With the patch do I still need to checkout Shawn's repo ? The patch applies cleanly if I dont switch branches

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My patch is against HEAD, aka the original exploit for Linux.

https://lock.cmpxchg8b.com/files/zenbleed-v5.tar.gz
https://github.com/google/security-research/tree/master/pocs/cpus/zenbleed

Jung-uk Kim

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