Messages in this thread | | | From | Paolo Bonzini <> | Subject | [FYI PATCH 0/3] CVE-2020-2732 | Date | Mon, 24 Feb 2020 19:56:33 +0100 |
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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
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