High severity7.8NVD Advisory· Published Mar 16, 2022· Updated Jun 17, 2026
CVE-2021-39714
CVE-2021-39714
Description
In ion_buffer_kmap_get of ion.c, there is a possible use-after-free due to an integer overflow. 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-205573273References: Upstream kernel
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Affected products
4- Android/Android kerneldescription
Patches
Vulnerability mechanics
References
1- source.android.com/security/bulletin/pixel/2022-08-01nvdPatchVendor Advisory
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