Advisory Published

CVE-2023-21163: Use After Free

First published: Mon Dec 04 2023(Updated: )

In PMR_ReadBytes of pmr.c, there is a possible arbitrary code execution due to a use after free. This could lead to local escalation of privilege in the kernel with no additional execution privileges needed. User interaction is not needed for exploitation.


Affected SoftwareAffected VersionHow to fix
Google Android
Google Android

Never miss a vulnerability like this again

Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.

Frequently Asked Questions

  • What is CVE-2023-21163?

    CVE-2023-21163 is a vulnerability found in Google Android.

  • What is the severity of CVE-2023-21163?

    CVE-2023-21163 has a severity level of high (7).

  • How does CVE-2023-21163 affect Google Android?

    CVE-2023-21163 affects Google Android and is considered a high-severity vulnerability.

  • Where can I find more information about CVE-2023-21163?

    You can find more information about CVE-2023-21163 on the official Android Security Bulletin for December 2023: [Android Security Bulletin - December 2023](

  • How can I fix CVE-2023-21163?

    To fix CVE-2023-21163, it is recommended to apply the necessary security updates provided by Google for your Android device.


SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2024 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203