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Re: [Xen-devel] xen-CVE-2013-1442-XSA-62.patch

Op woensdag 2 oktober 2013 19:53:06 schreef Andrew Cooper:
> You have a few options
> 1) Unconditionally force xsave off.  It is at the very least buggy if
> you are missing the patches causing your patch application problems.

i can do this programmatorically, so that noone in Mageia 3 will be able to 
use it?

does this mean xsave has been buggy on the released 4.2.1 in any case?

> 2) Backport the xsave patches as well.
> http://xenbits.xen.org/gitweb/?p=xen.git;a=history;f=xen/arch/x86/xstate.c;h
> b=12b0ee04a16194f064d5b895a844fcdc6414bfc0 should give you a good idea of
> the patches.
> http://xenbits.xen.org/gitweb/?p=xen.git;a=commitdiff;h=0bda88abe18029c2bbe9
> dc5d07cc706bd775c9b7 is probably the main patch needed.
> 3) Rework the security patch yourself using
> 0bda88abe18029c2bbe9dc5d07cc706bd775c9b7 as a reference of where and how
> to patch in arch/x86/traps.c
> I highly recommend option 2.

thanks for the quick assistance

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