Medium severity4.4NVD Advisory· Published Jan 14, 2022· Updated Jun 17, 2026
CVE-2021-39680
CVE-2021-39680
Description
In sec_SHA256_Transform of sha256_core.c, there is a possible way to read heap data due to uninitialized data. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-197965864References: N/A
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Affected products
3- Google/Android kerneldescription
Patches
Vulnerability mechanics
References
1- source.android.com/security/bulletin/pixel/2022-01-01nvdVendor Advisory
News mentions
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