A bug has been found in a major Linux Wi-Fi driver that can allow an attacker to take control of a laptop — even when it is not on a Wi-Fi network. There have not been many Linux Wi-Fi device drivers, and this is apparently the first remotely executable Wi-Fi bug. It affects the widely used MadWi-Fi Linux kernel device driver for Atheros-based Wi-Fi chipsets, according to Laurent Butti, a researcher from France Telecom Orange, who found the flaw and released the information in a presentation at last month’s Black Hat conference in Amsterdam.
“You may be vulnerable if you do not manually patch your MadWi-Fi driver,” said Butti. Before making it public, he shared the flaw with the MadWi-Fi development team, who have released a patch. However, not all Linux distributions have yet built the patch into their code, said Butti.
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W-Fi, Bug, Vulnerability, Linux
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