CVE-2021-22391
First published: Mon Aug 02 2021(Updated: )
There is an Incorrect Calculation of Buffer Size in Huawei Smartphone.Successful exploitation of this vulnerability may cause the system to reset.
Credit: psirt@huawei.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Huawei EMUI | =9.1.0 | |
| Huawei EMUI | =9.1.1 | |
| Huawei EMUI | =10.0.0 | |
| Huawei EMUI | =10.1.0 | |
| Huawei EMUI | =10.1.1 | |
| Huawei EMUI | =11.0.0 | |
| Huawei Magic UI | =2.1.1 | |
| Huawei Magic UI | =3.0.0 | |
| Huawei Magic UI | =3.1.0 | |
| Huawei Magic UI | =3.1.1 | |
| Huawei Magic UI | =4.0.0 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2021-22391?
CVE-2021-22391 is a high-severity vulnerability due to its potential to cause system resets.
How do I fix CVE-2021-22391?
To fix CVE-2021-22391, update your Huawei device to the latest firmware version provided by Huawei.
Which Huawei devices are affected by CVE-2021-22391?
CVE-2021-22391 affects various Huawei devices running specific versions of EMUI and Magic UI, including versions 9.1.0 to 11.0.0 and 2.1.1 to 4.0.0.
What type of vulnerability is CVE-2021-22391?
CVE-2021-22391 is classified as an Incorrect Calculation of Buffer Size vulnerability.
Is there a workaround for CVE-2021-22391 until a patch is applied?
Currently, there is no established workaround for CVE-2021-22391; applying the recommended update is the best course of action.
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- agent/softwarecombine
- collector/mitre-cve
- source/MITRE
- agent/severity
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- agent/weakness
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- collector/nvd-index
- agent/software-canonical-lookup-request
- vendor/huawei
- canonical/huawei emui
- version/huawei emui/9.1.0
- version/huawei emui/9.1.1
- version/huawei emui/10.0.0
- version/huawei emui/10.1.0
- version/huawei emui/10.1.1
- version/huawei emui/11.0.0
- canonical/huawei magic ui
- version/huawei magic ui/2.1.1
- version/huawei magic ui/3.0.0
- version/huawei magic ui/3.1.0
- version/huawei magic ui/3.1.1
- version/huawei magic ui/4.0.0