A team of researchers warn that combo chips that implement multiple wireless technologies in PCs and mobile devices are susceptible to a side-channel exploit called Spectra. Not to be confused with Spectre (or Meltdown), this side-channel vulnerability affects chips that combine Wi-Fi and Bluetooth connectivity, and sometimes cellular bands

Source: Hot Hardware – Spectra Security Exploit Unleashes Side-Channel Attack On Combo Wi-Fi And Bluetooth Chips