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CVE-2020-0041: Android Kernel Out-of-Bounds Write Vulnerability

criticalknown exploitedpublic exploitCVE-2020-0041
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 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."

CSIRTS triage

vendor: Androidproduct: KernelPrivilege escalation
What
An out-of-bounds write vulnerability could allow for local privilege escalation.
Who is affected
Devices running the Android Kernel.
Urgency
Remediation is critical 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-2020-0041

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-2020-0041coverage & exploitation statusNVD · CVE.org

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