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Known exploited vulnerability · Android

CVE-2021-1048: Android Kernel Use-After-Free Vulnerability

highCVSS 3.1 7.8Exploited

In eploopcheckproc 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

Published Dec 15, 2021 · Updated Jun 17, 2026

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Advisory details

From the National Vulnerability Database. This product uses the NVD API but is not endorsed or certified by the NVD.

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

References

How this page is made: the data panel comes from the GitHub Advisory Database, CISA’s KEV catalog, the NVD and FIRST EPSS, and updates twice a day. No analysis has been written for this entry yet. Methodology

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