From: Paolo Bonzini <pbonzini@redhat.com> To: linux-kernel@vger.kernel.org, kvm@vger.kernel.org Cc: oupton@google.com Subject: [FYI PATCH 0/3] CVE-2020-2732 Date: Mon, 24 Feb 2020 19:56:33 +0100 Message-ID: <1582570596-45387-1-git-send-email-pbonzini@redhat.com> (raw) vmx_check_intercept is not yet fully implemented by KVM on Intel processors, causing e.g. the I/O or MSR interception bitmaps not to be checked. In general we can just disallow instruction emulation on behalf of L1, but this series also implements I/O port checks. Paolo Oliver Upton (2): KVM: nVMX: Refactor IO bitmap checks into helper function KVM: nVMX: Check IO instruction VM-exit conditions Paolo Bonzini (1): KVM: nVMX: Don't emulate instructions in guest mode arch/x86/kvm/vmx/nested.c | 39 ++++++++++++++++++++----------- arch/x86/kvm/vmx/nested.h | 2 ++ arch/x86/kvm/vmx/vmx.c | 59 +++++++++++++++++++++++++++++++++++++++++------ 3 files changed, 79 insertions(+), 21 deletions(-) -- 1.8.3.1
next reply index Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-02-24 18:56 Paolo Bonzini [this message] 2020-02-24 18:56 ` [FYI PATCH 1/3] KVM: nVMX: Don't emulate instructions in guest mode Paolo Bonzini 2020-02-29 18:00 ` Jan Kiszka 2020-02-29 18:33 ` Oliver Upton 2020-02-29 19:00 ` Jim Mattson 2020-02-29 19:21 ` Jan Kiszka 2020-02-29 20:17 ` Jim Mattson 2020-02-29 20:36 ` Jan Kiszka 2020-02-24 18:56 ` [FYI PATCH 2/3] KVM: nVMX: Refactor IO bitmap checks into helper function Paolo Bonzini 2020-02-24 18:56 ` [FYI PATCH 3/3] KVM: nVMX: Check IO instruction VM-exit conditions Paolo Bonzini
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