Re: [PATCH backport hints for <3.10] KVM: x86: Convert vapicsynchronization to _cached functions (CVE-2013-6368)

[Greg KH]

On Mon, Dec 16, 2013 at 12:38:17PM +0100, Paolo Bonzini wrote:
> The KVM patch "fix vapic memory corruption" applies to most kernels that
> have KVM, but the fix does not apply on many older branches.  The APIs it
> uses are available in 3.1, but until 3.9 kvm_gfn_to_hva_cache_init had
> one fewer parameter.
> 
> The comments in this patch should help fixing kvm_lapic_set_vapic_addr
> in older kernels.  I will review the backports as they are posted to
> LKML (if I am CCed...).

This fails to build on 3.4-stable, could you provide a working backport
for that kernel?

thanks,

greg k-h
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