High severity7.8NVD Advisory· Published Jan 14, 2022· Updated Jun 17, 2026
CVE-2021-39681
CVE-2021-39681
Description
In delete_protocol of main.c, there is a possible arbitrary code execution due to a use after free. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-200251074References: 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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