CVE-2019-2215
Published: November 3, 2021
Official Description
Android Kernel contains a use-after-free vulnerability in binder.c that allows for privilege escalation from an application to the Linux Kernel. This vulnerability was observed chained with CVE-2020-0041 and CVE-2020-0069 under exploit chain "AbstractEmu."
CISA KEV Advisory
Android Kernel Use-After-Free Vulnerability
Android Kernel contains a use-after-free vulnerability in binder.c that allows for privilege escalation from an application to the Linux Kernel. This vulnerability was observed chained with CVE-2020-0041 and CVE-2020-0069 under exploit chain "AbstractEmu."
Apply updates per vendor instructions.
Risk Analysis
This use-after-free vulnerability in the Android Kernel's binder.c allows for privilege escalation from an application to the Linux Kernel. Its inclusion in the KEV catalog and a high EPSS score indicate a significant and confirmed risk of exploitation.
This vulnerability is actively being exploited in the wild and is listed in CISA's KEV catalog, confirming its real-world exploitation.
Apply the latest security updates for Android devices to patch this kernel vulnerability. Regularly update Android applications and the operating system to mitigate known exploitation vectors.
Technical Analysis
CVE-2019-2215 requires local access, meaning attackers must already have a foothold on the target system.
Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
CISA has added CVE-2019-2215 to the Known Exploited Vulnerabilities (KEV) catalog, confirming active exploitation in the wild. U.S. federal agencies are required to patch this within the mandated timeframe, and all organizations should treat remediation as urgent.
Affected Vendors & Products
Exploit & PoC Resources
All References (1)
Quick Facts
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2019-2215 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
- !CISA KEV: Federal agencies must patch per BOD 22-01 timeline
- !Active exploitation confirmed — treat as P1