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authorNadav Amit <namit@cs.technion.ac.il>2014-10-13 13:04:14 +0300
committerPaolo Bonzini <pbonzini@redhat.com>2014-10-24 13:30:36 +0200
commit3f6f1480d86bf9fc16c160d803ab1d006e3058d5 (patch)
tree988959255d9ac2f34c7fbc95af889f31ee4ef9d0 /virt/kvm/iommu.c
parent13e457e0eebf0a0c82c38ceb890d93eb826d62a6 (diff)
KVM: x86: PREFETCH and HINT_NOP should have SrcMem flag
The decode phase of the x86 emulator assumes that every instruction with the ModRM flag, and which can be used with RIP-relative addressing, has either SrcMem or DstMem. This is not the case for several instructions - prefetch, hint-nop and clflush. Adding SrcMem|NoAccess for prefetch and hint-nop and SrcMem for clflush. This fixes CVE-2014-8480. Fixes: 41061cdb98a0bec464278b4db8e894a3121671f5 Cc: stable@vger.kernel.org Signed-off-by: Nadav Amit <namit@cs.technion.ac.il> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'virt/kvm/iommu.c')
0 files changed, 0 insertions, 0 deletions