linux-kernel - [PATCH v4 0/3] CET fix patches for nested guest

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-Id: <20210315071841.7045-1-weijiang.yang@intel.com>
Date:   Mon, 15 Mar 2021 15:18:38 +0800
From:   Yang Weijiang <weijiang.yang@...el.com>
To:     pbonzini@...hat.com, seanjc@...gle.com, vkuznets@...hat.com,
        kvm@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Yang Weijiang <weijiang.yang@...el.com>
Subject: [PATCH v4 0/3] CET fix patches for nested guest

This patch series is to fix a few issues found during patch review and
testing on Linux, also including a patch to explictly disable CET support
in nested guest over Hyper-V(s).

change in v4:
- Added guest CET cpuid check before sync vmcs02 CET state to vmcs12.
- Opportunistically added similar fix for MPX.

Yang Weijiang (3):
  KVM: nVMX: Sync L2 guest CET states between L1/L2
  KVM: nVMX: Set X86_CR4_CET in cr4_fixed1_bits if CET IBT is enabled
  KVM: nVMX: Add CET entry/exit load bits to evmcs unsupported list

 arch/x86/kvm/cpuid.c      |  1 -
 arch/x86/kvm/vmx/evmcs.c  |  4 ++--
 arch/x86/kvm/vmx/evmcs.h  |  6 ++++--
 arch/x86/kvm/vmx/nested.c | 35 +++++++++++++++++++++++++++++++++--
 arch/x86/kvm/vmx/vmx.c    |  1 +
 arch/x86/kvm/vmx/vmx.h    |  3 +++
 6 files changed, 43 insertions(+), 7 deletions(-)

-- 
2.26.2