Heap-based Buffer Overflow in e1000 Emulation in QEMU-KVM 0.12

CVE-2012-0029

Heap-based buffer overflow in the process_tx_desc function in the e1000 emulation (hw/e1000.c) in qemu-kvm 0.12, and possibly other versions, allows guest OS users to cause a denial of service (QEMU crash) and possibly execute arbitrary code via crafted legacy mode packets.

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