CVE-2023-20938: Input Validation

Published Feb 6, 2023
·
Updated

In bindertransactionbufferrelease of binder.c, there is a possible use after free due to improper input validation. 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-257685302References: Upstream kernel

Affected Software

3 affected componentsFixes available
Google Android
Google Android
debian/linux
5.10.223-15.10.234-16.1.129-16.1.135-16.12.25-16.12.27-1

Event History

Feb 6, 2023
CVE Published
via Android·12:00 AM
Feb 28, 2023
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
DescriptionWeakness
Jan 12, 2024
Data Sourced
via Launchpad·12:15 AM
Description
Apr 28, 2025
Data Sourced
via Ubuntu·02:11 PM
RemedyDescriptionSeverityAffected Software
Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is the severity of CVE-2023-20938?

CVE-2023-20938 has been classified as a vulnerability that enables local escalation of privilege.

2

How do I fix CVE-2023-20938?

To fix CVE-2023-20938, ensure you update to the latest release of the Android kernel available from Google.

3

Is user interaction necessary for exploiting CVE-2023-20938?

No, no user interaction is required for exploitation of CVE-2023-20938.

4

Which versions of Android are affected by CVE-2023-20938?

CVE-2023-20938 affects various versions of Google Android but specific versions include those listed under the Debian package remedy.

5

What may happen if CVE-2023-20938 is exploited?

Exploitation of CVE-2023-20938 could lead to an attacker gaining elevated privileges on the affected device.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
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.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203