Google Announced January 2021 Security Updates for Android Devices

This week, Google released Android application protection updates for January 2021, fixing 42 bugs, including four classified critical severity.

Addressed as part of the 2021-01-01 security patch stage and monitored as CVE-2021-0316, a crucial security error in the system that could be abused remotely to achieve code execution is the most serious of these bugs.

A specially designed transmission will have to be used by an attacker trying to exploit the flaw. Within the framework of a privileged method, efficient manipulation may lead to code execution.

Three other vulnerabilities discussed in the device portion of Android this month feature a high severity ranking. That involve two problems of privilege elevation and one bug of knowledge disclosure.

Fifteen System flaws, including a serious denial of service (DoS) flaw, eight high-severity access bugs, four high-severity knowledge leakage problems, one high-severity DoS error, and one remote code execution vulnerability, are all patched at the 2021-01-01 security patch stage.

All three security bugs fixed this month in the Media System part of Android have a high severity rating: execution of one remote code and two problems with information disclosure.

A total of 19 vulnerabilities in Kernel (three high-severity flaws), MediaTek (one high-severity issue), and Qualcomm components are fixed in the second part of Android security updates for January 2021 (six high-severity bugs).

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Patches for nine faults in Qualcomm closed-source components were also included in the release package for this month (two critical and seven high-severity vulnerabilities).

Many of these problems are fixed on smartphones running a security patch standard of 2021-01-05 or older, as are bugs patched with previous Android security patches.

Four other flaws are already resolved by a security patch standard of 2021-01-05 on Pixel devices: a high-severity privilege elevation in System and a mild one in Kernel components, along with a moderate error in Qualcomm components and another one in Qualcomm closed-source components.

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