High severity7.8NVD Advisory· Published Oct 11, 2022· Updated Jun 17, 2026
CVE-2022-20421
CVE-2022-20421
Description
In binder_inc_ref_for_node of binder.c, there is a possible way to corrupt memory 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-239630375References: Upstream kernel
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
3- Android/Android kerneldescription
Patches
Vulnerability mechanics
References
3- source.android.com/security/bulletin/2022-10-01nvdPatchVendor Advisory
- lists.debian.org/debian-lts-announce/2022/11/msg00001.htmlnvdMailing ListThird Party Advisory
- www.debian.org/security/2022/dsa-5257nvdThird Party Advisory
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