Messages in this thread | | | From | Jim Mattson <> | Date | Mon, 6 Jan 2020 12:16:41 -0800 | Subject | Re: [PATCH v2 02/13] KVM: x86: Protect kvm_hv_msr_[get|set]_crash_data() from Spectre-v1/L1TF attacks |
| |
On Thu, Dec 12, 2019 at 9:47 AM Christian Borntraeger <borntraeger@de.ibm.com> wrote: > > > > On 12.12.19 18:44, Jim Mattson wrote: > > On Thu, Dec 12, 2019 at 9:31 AM Christian Borntraeger > > <borntraeger@de.ibm.com> wrote: > >> > >> > >> > >> On 11.12.19 21:47, Marios Pomonis wrote: > >>> This fixes Spectre-v1/L1TF vulnerabilities in kvm_hv_msr_get_crash_data() > >>> and kvm_hv_msr_set_crash_data(). > >>> These functions contain index computations that use the > >>> (attacker-controlled) MSR number. > >>> > >>> Fixes: commit e7d9513b60e8 ("kvm/x86: added hyper-v crash msrs into kvm hyperv context") > >>> > >>> Signed-off-by: Nick Finco <nifi@google.com> > >>> Signed-off-by: Marios Pomonis <pomonis@google.com> > >>> Reviewed-by: Andrew Honig <ahonig@google.com> > >>> Cc: stable@vger.kernel.org
Reviewed-by: Jim Mattson <jmattson@google.com>
| |