APPLIED[F/J/K]: [UBUNTU Focal, Jammy, Kinetic, Lunar, OEM-5.14, OEM-5.17, OEM-6.0 0/1] CVE-2022-2196

[Luke Nowakowski-Krijger]

Applied to focal, jammy, kinetic linux master-next

Thanks!
- Luke

On Fri, Feb 10, 2023 at 10:22 AM Thadeu Lima de Souza Cascardo <
cascardo at canonical.com> wrote:

> [Impact]
> An L2 guest could do an spectre-v2 attack on an L1 guest if that guest
> assumes
> IBRS or eIBRS can be used to isolate between them, while it cannot. L0
> needs to
> issue an IBPB in these cases.
>
> [Potential impact]
> Systems using nested guests might have a performance impact.
>
> Jim Mattson (1):
>   KVM: VMX: Execute IBPB on emulated VM-exit when guest has IBRS
>
>  arch/x86/kvm/vmx/nested.c | 11 +++++++++++
>  arch/x86/kvm/vmx/vmx.c    |  6 ++++--
>  2 files changed, 15 insertions(+), 2 deletions(-)
>
> --
> 2.34.1
>
>
> --
> kernel-team mailing list
> kernel-team at lists.ubuntu.com
> https://lists.ubuntu.com/mailman/listinfo/kernel-team
>
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