CVE-2021-46840
First published: Fri Oct 14 2022(Updated: )
The HW_KEYMASTER module has an out-of-bounds access vulnerability in parameter set verification.Successful exploitation of this vulnerability may cause malicious construction of data, which results in out-of-bounds access.
Credit: psirt@huawei.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| EMUI 5.0 | =11.0.1 | |
| EMUI 5.0 | =12.0.0 | |
| HarmonyOS | =2.0 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2021-46840?
CVE-2021-46840 is considered a critical vulnerability due to its potential for causing out-of-bounds access.
How do I fix CVE-2021-46840?
To fix CVE-2021-46840, users should update their Huawei devices to the latest firmware versions that address this vulnerability.
Which devices are affected by CVE-2021-46840?
CVE-2021-46840 affects Huawei devices running EMUI 11.0.1, EMUI 12.0.0, and HarmonyOS 2.0.
What happens if CVE-2021-46840 is exploited?
Exploitation of CVE-2021-46840 can lead to unauthorized access and manipulation of sensitive data.
What is the nature of the vulnerability described by CVE-2021-46840?
CVE-2021-46840 involves an out-of-bounds access vulnerability in the HW_KEYMASTER module during parameter set verification.
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- vendor/huawei
- canonical/emui 5.0
- version/emui 5.0/11.0.1
- version/emui 5.0/12.0.0
- canonical/harmonyos
- version/harmonyos/2.0