CVE-2021-40017: Input Validation
First published: Fri Sep 16 2022(Updated: )
The HW_KEYMASTER module lacks the validity check of the key format. Successful exploitation of this vulnerability may result in out-of-bounds memory access.
Credit: psirt@huawei.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Huawei EMUI | =11.0.1 | |
| Huawei EMUI | =12.0.0 | |
| Huawei HarmonyOS | =2.0 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2021-40017?
The severity of CVE-2021-40017 is classified as high due to its potential for out-of-bounds memory access.
How do I fix CVE-2021-40017?
To fix CVE-2021-40017, update your device to the latest version of Huawei Emui or HarmonyOS that addresses this vulnerability.
What systems are affected by CVE-2021-40017?
CVE-2021-40017 affects Huawei Emui versions 11.0.1 and 12.0.0, as well as HarmonyOS version 2.0.
What could be the impact of CVE-2021-40017?
Exploitation of CVE-2021-40017 may lead to unauthorized memory access, potentially allowing an attacker to manipulate or leak sensitive information.
Is CVE-2021-40017 a hardware or software vulnerability?
CVE-2021-40017 is a software vulnerability found in the HW_KEYMASTER module of Huawei's operating systems.
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