What is the severity of CVE-2023-40100?

CVE-2023-40100 is classified as a medium severity vulnerability due to potential memory corruption leading to local privilege escalation.

How do I fix CVE-2023-40100?

To mitigate CVE-2023-40100, it is recommended to update your Android device to the latest security patch provided by Google.

What versions of Android are affected by CVE-2023-40100?

CVE-2023-40100 affects Android versions 11.0 through 14.0.

Is user interaction required to exploit CVE-2023-40100?

No, user interaction is not needed for the exploitation of CVE-2023-40100.

What kind of exploitation is possible with CVE-2023-40100?

CVE-2023-40100 can lead to local escalation of privilege without any additional execution privileges needed.

Vulnerability/
CVE-2023-40100

high

8.4

CWE

416

6/11/2023

15/2/2024

16/12/2024

CVE-2023-40100: Use After Free

First published: Mon Nov 06 2023(Updated: )

In discovery_thread of Dns64Configuration.cpp, there is a possible memory corruption 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.

Credit: security@android.com

Affected Software	Affected Version	How to fix
Android
Android	=11.0
Android	=12.0
Android	=12.1
Android	=13.0
Android	=14.0

Remedy

https://android.googlesource.com/platform/packages/modules/DnsResolver/+/8e1561fb603fdaec15798372f865fb1750537f4f

Remedy

https://source.android.com/security/bulletin/2023-11-01

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Reference Links

Frequently Asked Questions

What is the severity of CVE-2023-40100?
CVE-2023-40100 is classified as a medium severity vulnerability due to potential memory corruption leading to local privilege escalation.
How do I fix CVE-2023-40100?
To mitigate CVE-2023-40100, it is recommended to update your Android device to the latest security patch provided by Google.
What versions of Android are affected by CVE-2023-40100?
CVE-2023-40100 affects Android versions 11.0 through 14.0.
Is user interaction required to exploit CVE-2023-40100?
No, user interaction is not needed for the exploitation of CVE-2023-40100.
What kind of exploitation is possible with CVE-2023-40100?
CVE-2023-40100 can lead to local escalation of privilege without any additional execution privileges needed.

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vendor/google
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version/android/12.0
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