| commit | 433f4ba1904100da65a311033f17a9bf586b287e | [log] [tgz] |
|---|---|---|
| author | Paolo Bonzini <pbonzini@redhat.com> | Wed Dec 04 10:28:54 2019 +0100 |
| committer | Paolo Bonzini <pbonzini@redhat.com> | Wed Dec 04 12:14:41 2019 +0100 |
| tree | aa0ec5e38b98fe7835f354af7af331ec96b55876 | |
| parent | 3525d0ccd92c760d22b8ee26f484fb7e9941c99c [diff] |
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>