CVE-2022-20421

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

• CWE-416

• https://lists.debian.org/debian-lts-announce/2022/11/msg00001.htmlMailing List, Third Party Advisory
• https://source.android.com/security/bulletin/2022-10-01Patch, Vendor Advisory
• https://www.debian.org/security/2022/dsa-5257Third Party Advisory
• https://lists.debian.org/debian-lts-announce/2022/11/msg00001.htmlMailing List, Third Party Advisory
• https://source.android.com/security/bulletin/2022-10-01Patch, Vendor Advisory
• https://www.debian.org/security/2022/dsa-5257Third Party Advisory

Published

Oct 11, 2022

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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