A potentially serious vulnerability in Linux may make it possible for nearby devices to use Wi Fi signals to crash or fully compromise vulnerable machines, a security researcher said. The flaw is located in the RTLWIFI driver, which is used to support Realtek Wi Fi cards in Linux devices. The vulnerability triggers a buffer overflow in the Linux kernel when a machine with a Realtek Wi Fi card is within radio range of a malicious device. At a minimum, exploits would allow denial of service...

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