CVE-2021-40038: Double Free
First published: Fri Jan 07 2022(Updated: )
There is a Double free vulnerability in the AOD module in smartphones. Successful exploitation of this vulnerability may affect service integrity.
Credit: psirt@huawei.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Huawei HarmonyOS | <2.0 | |
| Huawei EMUI | =11.0.0 | |
| Huawei EMUI | =12.0.0 | |
| Huawei Magic UI | =4.0.0 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2021-40038?
The severity of CVE-2021-40038 is categorized as a critical vulnerability affecting service integrity in the AOD module.
How do I fix CVE-2021-40038?
To fix CVE-2021-40038, ensure that your Huawei device's software is updated to the latest version provided by Huawei.
Which Huawei devices are affected by CVE-2021-40038?
CVE-2021-40038 affects Huawei devices running HarmonyOS up to version 2.0, EMUI 11.0.0, EMUI 12.0.0, and Magic UI 4.0.0.
What does the double free vulnerability in CVE-2021-40038 imply?
The double free vulnerability in CVE-2021-40038 implies that memory can be improperly deallocated twice, potentially leading to service disruptions or exploitation.
Has a patch been released for CVE-2021-40038?
Yes, a patch for CVE-2021-40038 has been released as part of the software updates for affected Huawei devices.
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