CVE-2021-46839
First published: Fri Oct 14 2022(Updated: )
The HW_KEYMASTER module has a vulnerability of missing bounds check on length.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-2021-46839?
CVE-2021-46839 is considered a moderate severity vulnerability due to the potential for out-of-bounds access.
How do I fix CVE-2021-46839?
To mitigate CVE-2021-46839, it is recommended to update affected Huawei devices to the latest software versions that address the vulnerability.
Which devices are affected by CVE-2021-46839?
CVE-2021-46839 affects Huawei EMUI versions 11.0.1 and 12.0.0, as well as HarmonyOS version 2.0.
What type of vulnerability is CVE-2021-46839?
CVE-2021-46839 is a bounds checking vulnerability that can lead to out-of-bounds access.
Can CVE-2021-46839 be exploited remotely?
The potential for remote exploitation of CVE-2021-46839 depends on the specific conditions of data construction by a malicious actor.
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- version/emui 5.0/11.0.1
- version/emui 5.0/12.0.0
- canonical/harmonyos
- version/harmonyos/2.0