Mandriva Linux Security Advisory 2015-210 - A denial of service flaw was found in the way QEMU handled malformed Physical Region Descriptor Table data sent to the host's IDE and/or AHCI controller emulation. A privileged guest user could use this flaw to crash the system. It was found that the QEMU's websocket frame decoder processed incoming frames without limiting resources used to process the header and the payload. An attacker able to access a guest's VNC console could use this flaw to trigger a denial of service on the host by exhausting all available memory and CPU.
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