From c6d23badb28d84f2bbaa04efb40795c3f45709c9 Mon Sep 17 00:00:00 2001 From: Andy Whitcroft Date: Fri, 26 Jan 2018 12:36:51 +0000 Subject: [PATCH 09/89] Revert "x86/svm: Add code to clobber the RSB on VM exit" CVE-2017-5753 (revert embargoed) CVE-2017-5715 (revert embargoed) This reverts commit 9392e24469b71ff665cdbc3d81db215f9383219d. Signed-off-by: Andy Whitcroft --- arch/x86/kvm/svm.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c index 487c159cc0db..fe90956bdf1b 100644 --- a/arch/x86/kvm/svm.c +++ b/arch/x86/kvm/svm.c @@ -4982,8 +4982,6 @@ static void svm_vcpu_run(struct kvm_vcpu *vcpu) wrmsrl(MSR_IA32_SPEC_CTRL, FEATURE_ENABLE_IBRS); } - stuff_RSB(); - #ifdef CONFIG_X86_64 wrmsrl(MSR_GS_BASE, svm->host.gs_base); #else -- 2.15.1