On Wed, Dec 11, 2019 at 12:49 PM Marios Pomonis <pomonis@xxxxxxxxxx> wrote: > > This fixes a Spectre-v1/L1TF vulnerability in the get_gp_pmc() and > get_fixed_pmc() functions. > They both contain index computations based on the (attacker-controlled) > MSR number. > > Fixes: commit 25462f7f5295 ("KVM: x86/vPMU: Define kvm_pmu_ops to support vPMU function dispatch") > > Signed-off-by: Nick Finco <nifi@xxxxxxxxxx> > Signed-off-by: Marios Pomonis <pomonis@xxxxxxxxxx> > Reviewed-by: Andrew Honig <ahonig@xxxxxxxxxx> > Cc: stable@xxxxxxxxxxxxxxx Reviewed-by: Jim Mattson <jmattson@xxxxxxxxxx>