Denial Of Service (DoS)

QEMU is vulnerable to denial of service. An integer overflow in the SM501 display driver implementation allows an attacker to crash the QEMU process in sm5012doperation in hw/display/sm501.c on the host. The vulnerability exists in the COPYAREA macro while handling MMIO write operations through t...

In QEMU through 5.0.0 an integer overflow was found in the SM501 display driver implementation. This flaw occurs in the COPY_AREA macro while handling MMIO write operations through the sm501_2d_engine_write() callback. A local attacker could abuse this flaw to crash the QEMU process in sm501_2d_operation() in hw/display/sm501.c on the host resulting in a denial of service.

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