No but there is a risk. And the question is : "Do you want to take this risk while CM9 is announce next week with a safe kernel".
I was using Imilka Cm9, and yesterday i flashed back to GB. Maybe you could wait one week and avoid flashing a hazardous repack !
I wasn't stating that there isn't a risk, or that anyone should chance it. Just simply that I have not heard of a single case of anyone having a problem with iMilka's releases (killing the board). Therefore my none developer point of view is that the risk must be VERY small IF said risk does truly exist with
all Kernel Leak builds.
It SEEMS to me that the problem does not lie with the kernel build but the way it is scripted and executed. Hence why no one has ever had the problem with AOSP/CM9, but the problem came up with Angelom's kernel and the last Stunner build. The problems were also immediate in both cases, again where no one has ever had this problem caused by AOSP/CM9. So YES, I am sure AOSP/CM9 could have caused the problem if iMilka made whatever mistake was made by Stunner/Angelom, but I would say to me it is quite obvious he did not, and that the problem IS a mistake in the way the kernel is handled. Speculation and opinion only of course.
I have been running them since the beginning, so I am not saying I personally would have chanced it this close to offical ICS / Official CM9, but i've been running his releases for quite some time.