CVE-2021-37018 Denial of service in HarmonyOS

High 7.5 Published Updated

A data processing error in Huawei HarmonyOS allows attackers to cause a kernel crash, resulting in a denial of service.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2021-37018?

CVE-2021-37018 is a high-severity denial of service vulnerability in Huawei Harmonyos, published on 23 Nov 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

There is a Data Processing Errors vulnerability in Huawei Smartphone.Successful exploitation of this vulnerability will cause kernel crash.

Which versions are affected by CVE-2021-37018?

It affects 1 product.

Products include Huawei Harmonyos.

How do I fix CVE-2021-37018?

No fix has been published for CVE-2021-37018 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2021-37018 being exploited?

There is no known exploitation of CVE-2021-37018 in the wild and no public exploit code.

All Huawei Harmonyos vulnerabilities

Sources

Also known as GHSA-9h8v-rf83-qm98.

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