Petr Matousek f9e5b0ded4 kvm: vmx: handle invvpid vm exit gracefully ... commit a642fc305053cc1c6e47e4f4df327895747ab485 upstream. On systems with invvpid instruction support (corresponding bit in IA32_VMX_EPT_VPID_CAP MSR is set) guest invocation of invvpid causes vm exit, which is currently not handled and results in propagation of unknown exit to userspace. Fix this by installing an invvpid vm exit handler. This is CVE-2014-3646. Cc: stable@vger.kernel.org Signed-off-by: Petr Matousek <pmatouse@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> [wangkai: Backport to 3.10: adjust context] Signed-off-by: Wang Kai <morgan.wang@huawei.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>		2015-02-11 14:48:18 +08:00
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asm	kvm: vmx: handle invvpid vm exit gracefully	2015-02-11 14:48:18 +08:00