tree aa0ec5e38b98fe7835f354af7af331ec96b55876
parent 3525d0ccd92c760d22b8ee26f484fb7e9941c99c
author Paolo Bonzini <pbonzini@redhat.com> 1575451734 +0100
committer Paolo Bonzini <pbonzini@redhat.com> 1575458081 +0100

KVM: x86: fix out-of-bounds write in KVM_GET_EMULATED_CPUID (CVE-2019-19332)

The bounds check was present in KVM_GET_SUPPORTED_CPUID but not
KVM_GET_EMULATED_CPUID.

Reported-by: syzbot+e3f4897236c4eeb8af4f@syzkaller.appspotmail.com
Fixes: 84cffe499b94 ("kvm: Emulate MOVBE", 2013-10-29)
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>