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CVE-2019-2215: Android Kernel Use-After-Free Vulnerability

criticalknown exploitedpublic exploitCVE-2019-2215
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
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."

CSIRTS triage

vendor: Androidproduct: KernelPrivilege escalation
What
A use-after-free vulnerability allows privilege escalation from an application to the Linux Kernel.
Who is affected
Devices running the Android Kernel.
Urgency
Critical urgency for remediation due to active exploitation.
Action
Update the Android Kernel to the latest version.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source
CISA Known Exploited Vulnerabilities (US · database · site)
Severity
critical
Published
2021-11-03
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2019-2215

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2019-2215coverage & exploitation statusNVD · CVE.org

Recent advisories for Android Kernel Use-After-Free

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

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