It seems that not only billions of PCs powered by Intel and AMD processors, but at least a billion smartphones are at risk. According to sources, vulnerability CVE-2020-11292 has been found in Qualcomm SoC modems, which could allow attackers to gain access to text messages, call histories and even wiretap conversations.

At the same time, there is a vulnerability, apparently, in all Qualcomm platforms containing modems with support from 2G to 5G. The source says about 30% of all smartphones in the world. Different sources cite a different number of active smartphones in the world at the moment, but usually we are talking about 4-6 billion devices. That is, the vulnerability can affect approximately 1-2 billion devices.
Coming back to the vulnerability, it uses the Qualcomm MSM Interface (QMI), which allows Android to communicate with a SoC modem.
It is important to note that the vulnerability was discovered back in October last year, which the authors immediately reported to Qualcomm, but the information was publicly disclosed only now.
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