CVE-2020-0041 — Android Kernel Out-of-Bounds Write Vulnerability
Overview
Android Kernel binder_transaction of binder.c contains an out-of-bounds write vulnerability due to an incorrect bounds check that could allow for local privilege escalation. This vulnerability was observed chained with CVE-2019-2215 and CVE-2020-0069 under exploit chain "AbstractEmu."
Vulnerability details
- CVE ID
- CVE-2020-0041
- Vulnerability
- Android Kernel Out-of-Bounds Write Vulnerability
- Vendor
- Android
- Affected products
- Android: Android Kernel
- Severity
- HIGH
- Exploitation status
- Actively exploited in the wild (CISA KEV)
- Published
- 2021-11-03
Remediation guidance
CVE-2020-0041 is in CISA's Known Exploited Vulnerabilities (KEV) catalog — U.S. federal civilian agencies are required to remediate it under Binding Operational Directive 22-01. Treat it as a priority for every environment.
Apply the vendor's official security update for Android the affected product as soon as possible. Where a patch is unavailable, apply vendor mitigations or isolate/segment exposed systems.
Hunt for indicators of compromise tied to this vulnerability and confirm logging/EDR coverage on affected assets.
Authoritative references
Remediate CVE-2020-0041 — and stay ahead of the next one
CVE-2020-0041 is listed in the CISA KEV catalog as actively exploited — treat remediation as urgent. Scan your domain free to see whether CVE-2020-0041 and other Android issues affect you and get a prioritized remediation report (full report from ₹999) — or stream the full feed of 1,600+ actively-exploited CVEs straight into your SOC.
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