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CVE-2021-1048

Known Exploited (CISA KEV)HIGH
7.8
CVSS Severity Score
EPSS Score40.4210%
EPSS Percentile85.48th
PublishedDec 15, 2021
Last ModifiedOct 23, 2025

Vulnerability Description

In ep_loop_check_proc of eventpoll.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-204573007References: Upstream kernel

Affected Platforms (CPE)

💻
Google

Android

All versions

References & Advisories

🔗 https://source.android.com/security/bulletin/2021-11-01
🔗 https://source.android.com/security/bulletin/2021-11-01
🔗 https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-1048

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