Skip to main content
← All vulnerabilities
CVE-2021-1048

In ep_loop_check_proc of eventpoll.c, there is a possible way to corrupt memory due to a use after free.

Published
Last modified
published
Listed in CISA KEV
Actively exploited
None on Exploit-DB, Metasploit or GitHub

Summary

The affected software is the Android kernel, specifically the event polling code (eventpoll.c) that handles loop checking for epoll file descriptors. A flaw there can corrupt memory and let a local app gain higher system privileges than it should have, without user interaction.

Summarized by anthropic/claude-haiku-5.5. Verify details against the original sources.

Read the original 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

Timeline

  1. CVE published
  2. Added to CISA KEV

    CISA has evidence of exploitation in the wild

  3. CISA remediation deadline

    Due date for US federal agencies to patch

  4. Record last updated

Affected versions

  • n/a Android

    Android kernel

References 1

source.android.com