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Samsung One UI April 2021 security patch details

Samsung has already started releasing the April 2021 security patch to its several Galaxy smartphones even before starting the month of April. However, the company has recently published the security bulletin of the April 2021 security update, which details the revisions and bug fixes.

According to the official information, Samsung’s April 2021 patch keeps Galaxy phones and tablets secure against 6 critical and 37 high levels of CVEs. There’s no moderate level of threat found in this month’s patch while the company has already fixed 1 CVE with March’s patch and 1 CVE is not applicable for Samsung Galaxy devices.

Back in February 2021, the South Korean tech giant has officially announced that it will provide at least four years of up-to-date security patches for the Galaxy devices launched since 2019. Therefore, the company has also released the list of eligible devices that will get monthly/quarterly/other security updates. You can also check the full report HERE.

List of CVEs fixed in April 2021 security patch:

Critical

CVE-2020-11204, CVE-2020-11228, CVE-2020-11218, CVE-2020-11192, CVE-2020-11227, CVE-2021-0430

High

CVE-2020-11178, CVE-2020-11165, CVE-2020-11195, CVE-2020-11198, CVE-2020-11194, CVE-2020-11220, CVE-2020-11199, CVE-2020-11221, CVE-2020-11308, CVE-2020-11290, CVE-2020-11309, CVE-2020-11186, CVE-2020-11226, CVE-2020-11171, CVE-2020-11222, CVE-2020-11188, CVE-2020-11190, CVE-2020-11189, CVE-2020-11166, CVE-2021-0399, CVE-2021-0400, CVE-2021-0426, CVE-2021-0427, CVE-2021-0432, CVE-2021-0438, CVE-2021-0439, CVE-2021-0442, CVE-2021-0443, CVE-2021-0444, CVE-2021-0338, CVE-2021-0437, CVE-2021-0436, CVE-2021-0471, CVE-2021-0429, CVE-2021-0433, CVE-2021-0431, CVE-2021-0435

Moderate

  • None

Already included in previous updates

  • CVE-2020-11223

Not applicable to Samsung devices

  • CVE-2020-11299, CVE-2021-0446

* Please see Android Security Bulletin for detailed information on Google patches HERE.

Along with Google patches, Samsung Mobile provides 21 Samsung Vulnerabilities and Exposures (SVE) items, in order to improve customer’s confidence in the security of Samsung Mobile devices. Samsung security index (SSI), found in “Security software version”, SMR April-2021 Release 1 includes all patches from Samsung and Google. Some of the SVE items may not be included in this package, in case these items were already included in a previous maintenance release.



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