High severity7.8NVD Advisory· Published Jun 15, 2022· Updated Jun 17, 2026
CVE-2021-39806
CVE-2021-39806
Description
In closef of label_backends_android.c, there is a possible way to corrupt memory due to a double free. This could lead to local escalation of privilege during startup of servicemanager, if an attacker can trigger an initialization failure, with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-12LAndroid ID: A-215387420
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Affected products
2- Android/Android kerneldescription
- Range: Android-12L
Patches
Vulnerability mechanics
References
1- source.android.com/security/bulletin/pixel/2022-06-01nvdVendor Advisory
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